15851689980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{2099}}^1\times {\mathrm{17981}}^1$

素因数の和:20099

約数の個数: 96

約数和(自身を含む): 50752396800

約数和(自身を除く): 34900706820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 2099, 4198, 6297, 8396, 10495, 12594, 14693, 17981, 20990, 25188, 29386, 31485, 35962, 41980, 44079, 53943, 58772, 62970, 71924, 73465, 88158, 89905, 107886, 125867, 125940, 146930, 176316, 179810, 215772, 220395, 251734, 269715, 293860, 359620, 377601, 440790, 503468, 539430, 629335, 755202, 881580, 1078860, 1258670, 1510404, 1888005, 2517340, 3776010, 7552020, 37742119, 75484238, 113226357, 150968476, 188710595, 226452714, 264194833, 377421190, 452905428, 528389666, 566131785, 754842380, 792584499, 1056779332, 1132263570, 1320974165, 1585168998, 2264527140, 2641948330, 3170337996, 3962922495, 5283896660, 7925844990, 15851689980]

約数ペア:

[(1, 15851689980), (2, 7925844990), (3, 5283896660), (4, 3962922495), (5, 3170337996), (6, 2641948330), (7, 2264527140), (10, 1585168998), (12, 1320974165), (14, 1132263570), (15, 1056779332), (20, 792584499), (21, 754842380), (28, 566131785), (30, 528389666), (35, 452905428), (42, 377421190), (60, 264194833), (70, 226452714), (84, 188710595), (105, 150968476), (140, 113226357), (210, 75484238), (420, 37742119), (2099, 7552020), (4198, 3776010), (6297, 2517340), (8396, 1888005), (10495, 1510404), (12594, 1258670), (14693, 1078860), (17981, 881580), (20990, 755202), (25188, 629335), (29386, 539430), (31485, 503468), (35962, 440790), (41980, 377601), (44079, 359620), (53943, 293860), (58772, 269715), (62970, 251734), (71924, 220395), (73465, 215772), (88158, 179810), (89905, 176316), (107886, 146930), (125867, 125940)]