161589720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{461}}^1$

素因数の和:625

約数の個数: 128

約数和(自身を含む): 510935040

約数和(自身を除く): 349345320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 127, 138, 184, 230, 254, 276, 345, 381, 460, 461, 508, 552, 635, 690, 762, 920, 922, 1016, 1270, 1380, 1383, 1524, 1844, 1905, 2305, 2540, 2760, 2766, 2921, 3048, 3688, 3810, 4610, 5080, 5532, 5842, 6915, 7620, 8763, 9220, 10603, 11064, 11684, 13830, 14605, 15240, 17526, 18440, 21206, 23368, 27660, 29210, 31809, 35052, 42412, 43815, 53015, 55320, 58420, 58547, 63618, 70104, 84824, 87630, 106030, 116840, 117094, 127236, 159045, 175260, 175641, 212060, 234188, 254472, 292735, 318090, 350520, 351282, 424120, 468376, 585470, 636180, 702564, 878205, 1170940, 1272360, 1346581, 1405128, 1756410, 2341880, 2693162, 3512820, 4039743, 5386324, 6732905, 7025640, 8079486, 10772648, 13465810, 16158972, 20198715, 26931620, 32317944, 40397430, 53863240, 80794860, 161589720]

約数ペア:

[(1, 161589720), (2, 80794860), (3, 53863240), (4, 40397430), (5, 32317944), (6, 26931620), (8, 20198715), (10, 16158972), (12, 13465810), (15, 10772648), (20, 8079486), (23, 7025640), (24, 6732905), (30, 5386324), (40, 4039743), (46, 3512820), (60, 2693162), (69, 2341880), (92, 1756410), (115, 1405128), (120, 1346581), (127, 1272360), (138, 1170940), (184, 878205), (230, 702564), (254, 636180), (276, 585470), (345, 468376), (381, 424120), (460, 351282), (461, 350520), (508, 318090), (552, 292735), (635, 254472), (690, 234188), (762, 212060), (920, 175641), (922, 175260), (1016, 159045), (1270, 127236), (1380, 117094), (1383, 116840), (1524, 106030), (1844, 87630), (1905, 84824), (2305, 70104), (2540, 63618), (2760, 58547), (2766, 58420), (2921, 55320), (3048, 53015), (3688, 43815), (3810, 42412), (4610, 35052), (5080, 31809), (5532, 29210), (5842, 27660), (6915, 23368), (7620, 21206), (8763, 18440), (9220, 17526), (10603, 15240), (11064, 14605), (11684, 13830)]