161287360

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{283}}^1$

素因数の和:450

約数の個数: 112

約数和(自身を含む): 418100256

約数和(自身を除く): 256812896

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 137, 160, 208, 260, 274, 283, 320, 416, 520, 548, 566, 685, 832, 1040, 1096, 1132, 1370, 1415, 1781, 2080, 2192, 2264, 2740, 2830, 3562, 3679, 4160, 4384, 4528, 5480, 5660, 7124, 7358, 8768, 8905, 9056, 10960, 11320, 14248, 14716, 17810, 18112, 18395, 21920, 22640, 28496, 29432, 35620, 36790, 38771, 43840, 45280, 56992, 58864, 71240, 73580, 77542, 90560, 113984, 117728, 142480, 147160, 155084, 193855, 235456, 284960, 294320, 310168, 387710, 504023, 569920, 588640, 620336, 775420, 1008046, 1177280, 1240672, 1550840, 2016092, 2481344, 2520115, 3101680, 4032184, 5040230, 6203360, 8064368, 10080460, 12406720, 16128736, 20160920, 32257472, 40321840, 80643680, 161287360]

約数ペア:

[(1, 161287360), (2, 80643680), (4, 40321840), (5, 32257472), (8, 20160920), (10, 16128736), (13, 12406720), (16, 10080460), (20, 8064368), (26, 6203360), (32, 5040230), (40, 4032184), (52, 3101680), (64, 2520115), (65, 2481344), (80, 2016092), (104, 1550840), (130, 1240672), (137, 1177280), (160, 1008046), (208, 775420), (260, 620336), (274, 588640), (283, 569920), (320, 504023), (416, 387710), (520, 310168), (548, 294320), (566, 284960), (685, 235456), (832, 193855), (1040, 155084), (1096, 147160), (1132, 142480), (1370, 117728), (1415, 113984), (1781, 90560), (2080, 77542), (2192, 73580), (2264, 71240), (2740, 58864), (2830, 56992), (3562, 45280), (3679, 43840), (4160, 38771), (4384, 36790), (4528, 35620), (5480, 29432), (5660, 28496), (7124, 22640), (7358, 21920), (8768, 18395), (8905, 18112), (9056, 17810), (10960, 14716), (11320, 14248)]