21305801520

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{5393}}^1$

素因数の和:5505

約数の個数: 320

約数和(自身を含む): 77052211200

約数和(自身を除く): 55746409680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 36, 40, 45, 48, 54, 59, 60, 62, 72, 80, 90, 93, 108, 118, 120, 124, 135, 144, 155, 177, 180, 186, 216, 236, 240, 248, 270, 279, 295, 310, 354, 360, 372, 432, 465, 472, 496, 531, 540, 558, 590, 620, 708, 720, 744, 837, 885, 930, 944, 1062, 1080, 1116, 1180, 1240, 1395, 1416, 1488, 1593, 1674, 1770, 1829, 1860, 2124, 2160, 2232, 2360, 2480, 2655, 2790, 2832, 3186, 3348, 3540, 3658, 3720, 4185, 4248, 4464, 4720, 5310, 5393, 5487, 5580, 6372, 6696, 7080, 7316, 7440, 7965, 8370, 8496, 9145, 10620, 10786, 10974, 11160, 12744, 13392, 14160, 14632, 15930, 16179, 16461, 16740, 18290, 21240, 21572, 21948, 22320, 25488, 26965, 27435, 29264, 31860, 32358, 32922, 33480, 36580, 42480, 43144, 43896, 48537, 49383, 53930, 54870, 63720, 64716, 65844, 66960, 73160, 80895, 82305, 86288, 87792, 97074, 98766, 107860, 109740, 127440, 129432, 131688, 145611, 146320, 161790, 164610, 167183, 194148, 197532, 215720, 219480, 242685, 246915, 258864, 263376, 291222, 318187, 323580, 329220, 334366, 388296, 395064, 431440, 438960, 485370, 493830, 501549, 582444, 636374, 647160, 658440, 668732, 728055, 776592, 790128, 835915, 954561, 970740, 987660, 1003098, 1164888, 1272748, 1294320, 1316880, 1337464, 1456110, 1504647, 1590935, 1671830, 1909122, 1941480, 1975320, 2006196, 2329776, 2507745, 2545496, 2674928, 2863683, 2912220, 3009294, 3181870, 3343660, 3818244, 3882960, 3950640, 4012392, 4513941, 4772805, 5015490, 5090992, 5727366, 5824440, 6018588, 6363740, 6687320, 7523235, 7636488, 8024784, 8591049, 9027882, 9545610, 9863797, 10030980, 11454732, 11648880, 12037176, 12727480, 13374640, 14318415, 15046470, 15272976, 17182098, 18055764, 19091220, 19727594, 20061960, 22569705, 22909464, 24074352, 25454960, 28636830, 29591391, 30092940, 34364196, 36111528, 38182440, 39455188, 40123920, 42955245, 45139410, 45818928, 49318985, 57273660, 59182782, 60185880, 68728392, 72223056, 76364880, 78910376, 85910490, 88774173, 90278820, 98637970, 114547320, 118365564, 120371760, 137456784, 147956955, 157820752, 171820980, 177548346, 180557640, 197275940, 229094640, 236731128, 266322519, 295913910, 343641960, 355096692, 361115280, 394551880, 443870865, 473462256, 532645038, 591827820, 687283920, 710193384, 789103760, 887741730, 1065290076, 1183655640, 1331612595, 1420386768, 1775483460, 2130580152, 2367311280, 2663225190, 3550966920, 4261160304, 5326450380, 7101933840, 10652900760, 21305801520]

約数ペア:

[(1, 21305801520), (2, 10652900760), (3, 7101933840), (4, 5326450380), (5, 4261160304), (6, 3550966920), (8, 2663225190), (9, 2367311280), (10, 2130580152), (12, 1775483460), (15, 1420386768), (16, 1331612595), (18, 1183655640), (20, 1065290076), (24, 887741730), (27, 789103760), (30, 710193384), (31, 687283920), (36, 591827820), (40, 532645038), (45, 473462256), (48, 443870865), (54, 394551880), (59, 361115280), (60, 355096692), (62, 343641960), (72, 295913910), (80, 266322519), (90, 236731128), (93, 229094640), (108, 197275940), (118, 180557640), (120, 177548346), (124, 171820980), (135, 157820752), (144, 147956955), (155, 137456784), (177, 120371760), (180, 118365564), (186, 114547320), (216, 98637970), (236, 90278820), (240, 88774173), (248, 85910490), (270, 78910376), (279, 76364880), (295, 72223056), (310, 68728392), (354, 60185880), (360, 59182782), (372, 57273660), (432, 49318985), (465, 45818928), (472, 45139410), (496, 42955245), (531, 40123920), (540, 39455188), (558, 38182440), (590, 36111528), (620, 34364196), (708, 30092940), (720, 29591391), (744, 28636830), (837, 25454960), (885, 24074352), (930, 22909464), (944, 22569705), (1062, 20061960), (1080, 19727594), (1116, 19091220), (1180, 18055764), (1240, 17182098), (1395, 15272976), (1416, 15046470), (1488, 14318415), (1593, 13374640), (1674, 12727480), (1770, 12037176), (1829, 11648880), (1860, 11454732), (2124, 10030980), (2160, 9863797), (2232, 9545610), (2360, 9027882), (2480, 8591049), (2655, 8024784), (2790, 7636488), (2832, 7523235), (3186, 6687320), (3348, 6363740), (3540, 6018588), (3658, 5824440), (3720, 5727366), (4185, 5090992), (4248, 5015490), (4464, 4772805), (4720, 4513941), (5310, 4012392), (5393, 3950640), (5487, 3882960), (5580, 3818244), (6372, 3343660), (6696, 3181870), (7080, 3009294), (7316, 2912220), (7440, 2863683), (7965, 2674928), (8370, 2545496), (8496, 2507745), (9145, 2329776), (10620, 2006196), (10786, 1975320), (10974, 1941480), (11160, 1909122), (12744, 1671830), (13392, 1590935), (14160, 1504647), (14632, 1456110), (15930, 1337464), (16179, 1316880), (16461, 1294320), (16740, 1272748), (18290, 1164888), (21240, 1003098), (21572, 987660), (21948, 970740), (22320, 954561), (25488, 835915), (26965, 790128), (27435, 776592), (29264, 728055), (31860, 668732), (32358, 658440), (32922, 647160), (33480, 636374), (36580, 582444), (42480, 501549), (43144, 493830), (43896, 485370), (48537, 438960), (49383, 431440), (53930, 395064), (54870, 388296), (63720, 334366), (64716, 329220), (65844, 323580), (66960, 318187), (73160, 291222), (80895, 263376), (82305, 258864), (86288, 246915), (87792, 242685), (97074, 219480), (98766, 215720), (107860, 197532), (109740, 194148), (127440, 167183), (129432, 164610), (131688, 161790), (145611, 146320)]