21516055920

素因数分解:

$2^4\times 3^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3967}}^1$

素因数の和:4032

約数の個数: 320

約数和(自身を含む): 77465518080

約数和(自身を除く): 55949462160

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, 60, 62, 72, 80, 81, 90, 93, 108, 120, 124, 135, 144, 155, 162, 180, 186, 216, 240, 243, 248, 270, 279, 310, 324, 360, 372, 405, 432, 465, 486, 496, 540, 558, 620, 648, 720, 729, 744, 810, 837, 930, 972, 1080, 1116, 1215, 1240, 1296, 1395, 1458, 1488, 1620, 1674, 1860, 1944, 2160, 2187, 2232, 2430, 2480, 2511, 2790, 2916, 3240, 3348, 3645, 3720, 3888, 3967, 4185, 4374, 4464, 4860, 5022, 5580, 5832, 6480, 6696, 7290, 7440, 7533, 7934, 8370, 8748, 9720, 10044, 10935, 11160, 11664, 11901, 12555, 13392, 14580, 15066, 15868, 16740, 17496, 19440, 19835, 20088, 21870, 22320, 22599, 23802, 25110, 29160, 30132, 31736, 33480, 34992, 35703, 37665, 39670, 40176, 43740, 45198, 47604, 50220, 58320, 59505, 60264, 63472, 66960, 67797, 71406, 75330, 79340, 87480, 90396, 95208, 100440, 107109, 112995, 119010, 120528, 122977, 135594, 142812, 150660, 158680, 174960, 178515, 180792, 190416, 200880, 214218, 225990, 238020, 245954, 271188, 285624, 301320, 317360, 321327, 338985, 357030, 361584, 368931, 428436, 451980, 476040, 491908, 535545, 542376, 571248, 602640, 614885, 642654, 677970, 714060, 737862, 856872, 903960, 952080, 963981, 983816, 1071090, 1084752, 1106793, 1229770, 1285308, 1355940, 1428120, 1475724, 1606635, 1713744, 1807920, 1844655, 1927962, 1967632, 2142180, 2213586, 2459540, 2570616, 2711880, 2856240, 2891943, 2951448, 3213270, 3320379, 3689310, 3855924, 4284360, 4427172, 4819905, 4919080, 5141232, 5423760, 5533965, 5783886, 5902896, 6426540, 6640758, 7378620, 7711848, 8568720, 8675829, 8854344, 9639810, 9838160, 9961137, 11067930, 11567772, 12853080, 13281516, 14459715, 14757240, 15423696, 16601895, 17351658, 17708688, 19279620, 19922274, 22135860, 23135544, 25706160, 26563032, 28919430, 29514480, 29883411, 33203790, 34703316, 38559240, 39844548, 43379145, 44271720, 46271088, 49805685, 53126064, 57838860, 59766822, 66407580, 69406632, 77118480, 79689096, 86758290, 88543440, 89650233, 99611370, 115677720, 119533644, 132815160, 138813264, 149417055, 159378192, 173516580, 179300466, 199222740, 231355440, 239067288, 265630320, 268950699, 298834110, 347033160, 358600932, 398445480, 448251165, 478134576, 537901398, 597668220, 694066320, 717201864, 796890960, 896502330, 1075802796, 1195336440, 1344753495, 1434403728, 1793004660, 2151605592, 2390672880, 2689506990, 3586009320, 4303211184, 5379013980, 7172018640, 10758027960, 21516055920]

約数ペア:

[(1, 21516055920), (2, 10758027960), (3, 7172018640), (4, 5379013980), (5, 4303211184), (6, 3586009320), (8, 2689506990), (9, 2390672880), (10, 2151605592), (12, 1793004660), (15, 1434403728), (16, 1344753495), (18, 1195336440), (20, 1075802796), (24, 896502330), (27, 796890960), (30, 717201864), (31, 694066320), (36, 597668220), (40, 537901398), (45, 478134576), (48, 448251165), (54, 398445480), (60, 358600932), (62, 347033160), (72, 298834110), (80, 268950699), (81, 265630320), (90, 239067288), (93, 231355440), (108, 199222740), (120, 179300466), (124, 173516580), (135, 159378192), (144, 149417055), (155, 138813264), (162, 132815160), (180, 119533644), (186, 115677720), (216, 99611370), (240, 89650233), (243, 88543440), (248, 86758290), (270, 79689096), (279, 77118480), (310, 69406632), (324, 66407580), (360, 59766822), (372, 57838860), (405, 53126064), (432, 49805685), (465, 46271088), (486, 44271720), (496, 43379145), (540, 39844548), (558, 38559240), (620, 34703316), (648, 33203790), (720, 29883411), (729, 29514480), (744, 28919430), (810, 26563032), (837, 25706160), (930, 23135544), (972, 22135860), (1080, 19922274), (1116, 19279620), (1215, 17708688), (1240, 17351658), (1296, 16601895), (1395, 15423696), (1458, 14757240), (1488, 14459715), (1620, 13281516), (1674, 12853080), (1860, 11567772), (1944, 11067930), (2160, 9961137), (2187, 9838160), (2232, 9639810), (2430, 8854344), (2480, 8675829), (2511, 8568720), (2790, 7711848), (2916, 7378620), (3240, 6640758), (3348, 6426540), (3645, 5902896), (3720, 5783886), (3888, 5533965), (3967, 5423760), (4185, 5141232), (4374, 4919080), (4464, 4819905), (4860, 4427172), (5022, 4284360), (5580, 3855924), (5832, 3689310), (6480, 3320379), (6696, 3213270), (7290, 2951448), (7440, 2891943), (7533, 2856240), (7934, 2711880), (8370, 2570616), (8748, 2459540), (9720, 2213586), (10044, 2142180), (10935, 1967632), (11160, 1927962), (11664, 1844655), (11901, 1807920), (12555, 1713744), (13392, 1606635), (14580, 1475724), (15066, 1428120), (15868, 1355940), (16740, 1285308), (17496, 1229770), (19440, 1106793), (19835, 1084752), (20088, 1071090), (21870, 983816), (22320, 963981), (22599, 952080), (23802, 903960), (25110, 856872), (29160, 737862), (30132, 714060), (31736, 677970), (33480, 642654), (34992, 614885), (35703, 602640), (37665, 571248), (39670, 542376), (40176, 535545), (43740, 491908), (45198, 476040), (47604, 451980), (50220, 428436), (58320, 368931), (59505, 361584), (60264, 357030), (63472, 338985), (66960, 321327), (67797, 317360), (71406, 301320), (75330, 285624), (79340, 271188), (87480, 245954), (90396, 238020), (95208, 225990), (100440, 214218), (107109, 200880), (112995, 190416), (119010, 180792), (120528, 178515), (122977, 174960), (135594, 158680), (142812, 150660)]