15837640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1$

素因数の和:279

約数の個数: 128

約数和(自身を含む): 46368000

約数和(自身を除く): 30530360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 91, 95, 104, 130, 133, 140, 152, 182, 190, 229, 247, 260, 266, 280, 364, 380, 455, 458, 494, 520, 532, 665, 728, 760, 910, 916, 988, 1064, 1145, 1235, 1330, 1603, 1729, 1820, 1832, 1976, 2290, 2470, 2660, 2977, 3206, 3458, 3640, 4351, 4580, 4940, 5320, 5954, 6412, 6916, 8015, 8645, 8702, 9160, 9880, 11908, 12824, 13832, 14885, 16030, 17290, 17404, 20839, 21755, 23816, 29770, 30457, 32060, 34580, 34808, 41678, 43510, 56563, 59540, 60914, 64120, 69160, 83356, 87020, 104195, 113126, 119080, 121828, 152285, 166712, 174040, 208390, 226252, 243656, 282815, 304570, 395941, 416780, 452504, 565630, 609140, 791882, 833560, 1131260, 1218280, 1583764, 1979705, 2262520, 3167528, 3959410, 7918820, 15837640]

約数ペア:

[(1, 15837640), (2, 7918820), (4, 3959410), (5, 3167528), (7, 2262520), (8, 1979705), (10, 1583764), (13, 1218280), (14, 1131260), (19, 833560), (20, 791882), (26, 609140), (28, 565630), (35, 452504), (38, 416780), (40, 395941), (52, 304570), (56, 282815), (65, 243656), (70, 226252), (76, 208390), (91, 174040), (95, 166712), (104, 152285), (130, 121828), (133, 119080), (140, 113126), (152, 104195), (182, 87020), (190, 83356), (229, 69160), (247, 64120), (260, 60914), (266, 59540), (280, 56563), (364, 43510), (380, 41678), (455, 34808), (458, 34580), (494, 32060), (520, 30457), (532, 29770), (665, 23816), (728, 21755), (760, 20839), (910, 17404), (916, 17290), (988, 16030), (1064, 14885), (1145, 13832), (1235, 12824), (1330, 11908), (1603, 9880), (1729, 9160), (1820, 8702), (1832, 8645), (1976, 8015), (2290, 6916), (2470, 6412), (2660, 5954), (2977, 5320), (3206, 4940), (3458, 4580), (3640, 4351)]