87221680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11981}}^1$

素因数の和:12014

約数の個数: 80

約数和(自身を含む): 249609024

約数和(自身を除く): 162387344

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 11981, 23962, 47924, 59905, 83867, 95848, 119810, 155753, 167734, 191696, 239620, 311506, 335468, 419335, 479240, 623012, 670936, 778765, 838670, 958480, 1090271, 1246024, 1341872, 1557530, 1677340, 2180542, 2492048, 3115060, 3354680, 4361084, 5451355, 6230120, 6709360, 8722168, 10902710, 12460240, 17444336, 21805420, 43610840, 87221680]

約数ペア:

[(1, 87221680), (2, 43610840), (4, 21805420), (5, 17444336), (7, 12460240), (8, 10902710), (10, 8722168), (13, 6709360), (14, 6230120), (16, 5451355), (20, 4361084), (26, 3354680), (28, 3115060), (35, 2492048), (40, 2180542), (52, 1677340), (56, 1557530), (65, 1341872), (70, 1246024), (80, 1090271), (91, 958480), (104, 838670), (112, 778765), (130, 670936), (140, 623012), (182, 479240), (208, 419335), (260, 335468), (280, 311506), (364, 239620), (455, 191696), (520, 167734), (560, 155753), (728, 119810), (910, 95848), (1040, 83867), (1456, 59905), (1820, 47924), (3640, 23962), (7280, 11981)]