161556720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{977}}^1$

素因数の和:1059

約数の個数: 160

約数和(自身を含む): 550089792

約数和(自身を除く): 388533072

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 53, 60, 65, 78, 80, 104, 106, 120, 130, 156, 159, 195, 208, 212, 240, 260, 265, 312, 318, 390, 424, 520, 530, 624, 636, 689, 780, 795, 848, 977, 1040, 1060, 1272, 1378, 1560, 1590, 1954, 2067, 2120, 2544, 2756, 2931, 3120, 3180, 3445, 3908, 4134, 4240, 4885, 5512, 5862, 6360, 6890, 7816, 8268, 9770, 10335, 11024, 11724, 12701, 12720, 13780, 14655, 15632, 16536, 19540, 20670, 23448, 25402, 27560, 29310, 33072, 38103, 39080, 41340, 46896, 50804, 51781, 55120, 58620, 63505, 76206, 78160, 82680, 101608, 103562, 117240, 127010, 152412, 155343, 165360, 190515, 203216, 207124, 234480, 254020, 258905, 304824, 310686, 381030, 414248, 508040, 517810, 609648, 621372, 673153, 762060, 776715, 828496, 1016080, 1035620, 1242744, 1346306, 1524120, 1553430, 2019459, 2071240, 2485488, 2692612, 3048240, 3106860, 3365765, 4038918, 4142480, 5385224, 6213720, 6731530, 8077836, 10097295, 10770448, 12427440, 13463060, 16155672, 20194590, 26926120, 32311344, 40389180, 53852240, 80778360, 161556720]

約数ペア:

[(1, 161556720), (2, 80778360), (3, 53852240), (4, 40389180), (5, 32311344), (6, 26926120), (8, 20194590), (10, 16155672), (12, 13463060), (13, 12427440), (15, 10770448), (16, 10097295), (20, 8077836), (24, 6731530), (26, 6213720), (30, 5385224), (39, 4142480), (40, 4038918), (48, 3365765), (52, 3106860), (53, 3048240), (60, 2692612), (65, 2485488), (78, 2071240), (80, 2019459), (104, 1553430), (106, 1524120), (120, 1346306), (130, 1242744), (156, 1035620), (159, 1016080), (195, 828496), (208, 776715), (212, 762060), (240, 673153), (260, 621372), (265, 609648), (312, 517810), (318, 508040), (390, 414248), (424, 381030), (520, 310686), (530, 304824), (624, 258905), (636, 254020), (689, 234480), (780, 207124), (795, 203216), (848, 190515), (977, 165360), (1040, 155343), (1060, 152412), (1272, 127010), (1378, 117240), (1560, 103562), (1590, 101608), (1954, 82680), (2067, 78160), (2120, 76206), (2544, 63505), (2756, 58620), (2931, 55120), (3120, 51781), (3180, 50804), (3445, 46896), (3908, 41340), (4134, 39080), (4240, 38103), (4885, 33072), (5512, 29310), (5862, 27560), (6360, 25402), (6890, 23448), (7816, 20670), (8268, 19540), (9770, 16536), (10335, 15632), (11024, 14655), (11724, 13780), (12701, 12720)]