28505842920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{14431}}^1$

素因数の和:14541

約数の個数: 256

約数和(自身を含む): 99753984000

約数和(自身を除く): 71248141080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 59, 60, 62, 72, 90, 93, 108, 118, 120, 124, 135, 155, 177, 180, 186, 216, 236, 248, 270, 279, 295, 310, 354, 360, 372, 465, 472, 531, 540, 558, 590, 620, 708, 744, 837, 885, 930, 1062, 1080, 1116, 1180, 1240, 1395, 1416, 1593, 1674, 1770, 1829, 1860, 2124, 2232, 2360, 2655, 2790, 3186, 3348, 3540, 3658, 3720, 4185, 4248, 5310, 5487, 5580, 6372, 6696, 7080, 7316, 7965, 8370, 9145, 10620, 10974, 11160, 12744, 14431, 14632, 15930, 16461, 16740, 18290, 21240, 21948, 27435, 28862, 31860, 32922, 33480, 36580, 43293, 43896, 49383, 54870, 57724, 63720, 65844, 72155, 73160, 82305, 86586, 98766, 109740, 115448, 129879, 131688, 144310, 164610, 173172, 197532, 216465, 219480, 246915, 259758, 288620, 329220, 346344, 389637, 395064, 432930, 447361, 493830, 519516, 577240, 649395, 658440, 779274, 851429, 865860, 894722, 987660, 1039032, 1298790, 1342083, 1558548, 1702858, 1731720, 1789444, 1948185, 1975320, 2236805, 2554287, 2597580, 2684166, 3117096, 3405716, 3578888, 3896370, 4026249, 4257145, 4473610, 5108574, 5195160, 5368332, 6710415, 6811432, 7662861, 7792740, 8052498, 8514290, 8947220, 10217148, 10736664, 12078747, 12771435, 13420830, 15325722, 15585480, 16104996, 17028580, 17894440, 20131245, 20434296, 22988583, 24157494, 25542870, 26394299, 26841660, 30651444, 32209992, 34057160, 38314305, 40262490, 45977166, 48314988, 51085740, 52788598, 53683320, 60393735, 61302888, 76628610, 79182897, 80524980, 91954332, 96629976, 102171480, 105577196, 114942915, 120787470, 131971495, 153257220, 158365794, 161049960, 183908664, 211154392, 229885830, 237548691, 241574940, 263942990, 306514440, 316731588, 395914485, 459771660, 475097382, 483149880, 527885980, 633463176, 712646073, 791828970, 919543320, 950194764, 1055771960, 1187743455, 1425292146, 1583657940, 1900389528, 2375486910, 2850584292, 3167315880, 3563230365, 4750973820, 5701168584, 7126460730, 9501947640, 14252921460, 28505842920]

約数ペア:

[(1, 28505842920), (2, 14252921460), (3, 9501947640), (4, 7126460730), (5, 5701168584), (6, 4750973820), (8, 3563230365), (9, 3167315880), (10, 2850584292), (12, 2375486910), (15, 1900389528), (18, 1583657940), (20, 1425292146), (24, 1187743455), (27, 1055771960), (30, 950194764), (31, 919543320), (36, 791828970), (40, 712646073), (45, 633463176), (54, 527885980), (59, 483149880), (60, 475097382), (62, 459771660), (72, 395914485), (90, 316731588), (93, 306514440), (108, 263942990), (118, 241574940), (120, 237548691), (124, 229885830), (135, 211154392), (155, 183908664), (177, 161049960), (180, 158365794), (186, 153257220), (216, 131971495), (236, 120787470), (248, 114942915), (270, 105577196), (279, 102171480), (295, 96629976), (310, 91954332), (354, 80524980), (360, 79182897), (372, 76628610), (465, 61302888), (472, 60393735), (531, 53683320), (540, 52788598), (558, 51085740), (590, 48314988), (620, 45977166), (708, 40262490), (744, 38314305), (837, 34057160), (885, 32209992), (930, 30651444), (1062, 26841660), (1080, 26394299), (1116, 25542870), (1180, 24157494), (1240, 22988583), (1395, 20434296), (1416, 20131245), (1593, 17894440), (1674, 17028580), (1770, 16104996), (1829, 15585480), (1860, 15325722), (2124, 13420830), (2232, 12771435), (2360, 12078747), (2655, 10736664), (2790, 10217148), (3186, 8947220), (3348, 8514290), (3540, 8052498), (3658, 7792740), (3720, 7662861), (4185, 6811432), (4248, 6710415), (5310, 5368332), (5487, 5195160), (5580, 5108574), (6372, 4473610), (6696, 4257145), (7080, 4026249), (7316, 3896370), (7965, 3578888), (8370, 3405716), (9145, 3117096), (10620, 2684166), (10974, 2597580), (11160, 2554287), (12744, 2236805), (14431, 1975320), (14632, 1948185), (15930, 1789444), (16461, 1731720), (16740, 1702858), (18290, 1558548), (21240, 1342083), (21948, 1298790), (27435, 1039032), (28862, 987660), (31860, 894722), (32922, 865860), (33480, 851429), (36580, 779274), (43293, 658440), (43896, 649395), (49383, 577240), (54870, 519516), (57724, 493830), (63720, 447361), (65844, 432930), (72155, 395064), (73160, 389637), (82305, 346344), (86586, 329220), (98766, 288620), (109740, 259758), (115448, 246915), (129879, 219480), (131688, 216465), (144310, 197532), (164610, 173172)]