1320808440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{38351}}^1$

素因数の和:38413

約数の個数: 128

約数和(自身を含む): 4639057920

約数和(自身を除く): 3318249480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 41, 42, 56, 60, 70, 82, 84, 105, 120, 123, 140, 164, 168, 205, 210, 246, 280, 287, 328, 410, 420, 492, 574, 615, 820, 840, 861, 984, 1148, 1230, 1435, 1640, 1722, 2296, 2460, 2870, 3444, 4305, 4920, 5740, 6888, 8610, 11480, 17220, 34440, 38351, 76702, 115053, 153404, 191755, 230106, 268457, 306808, 383510, 460212, 536914, 575265, 767020, 805371, 920424, 1073828, 1150530, 1342285, 1534040, 1572391, 1610742, 2147656, 2301060, 2684570, 3144782, 3221484, 4026855, 4602120, 4717173, 5369140, 6289564, 6442968, 7861955, 8053710, 9434346, 10738280, 11006737, 12579128, 15723910, 16107420, 18868692, 22013474, 23585865, 31447820, 32214840, 33020211, 37737384, 44026948, 47171730, 55033685, 62895640, 66040422, 88053896, 94343460, 110067370, 132080844, 165101055, 188686920, 220134740, 264161688, 330202110, 440269480, 660404220, 1320808440]

約数ペア:

[(1, 1320808440), (2, 660404220), (3, 440269480), (4, 330202110), (5, 264161688), (6, 220134740), (7, 188686920), (8, 165101055), (10, 132080844), (12, 110067370), (14, 94343460), (15, 88053896), (20, 66040422), (21, 62895640), (24, 55033685), (28, 47171730), (30, 44026948), (35, 37737384), (40, 33020211), (41, 32214840), (42, 31447820), (56, 23585865), (60, 22013474), (70, 18868692), (82, 16107420), (84, 15723910), (105, 12579128), (120, 11006737), (123, 10738280), (140, 9434346), (164, 8053710), (168, 7861955), (205, 6442968), (210, 6289564), (246, 5369140), (280, 4717173), (287, 4602120), (328, 4026855), (410, 3221484), (420, 3144782), (492, 2684570), (574, 2301060), (615, 2147656), (820, 1610742), (840, 1572391), (861, 1534040), (984, 1342285), (1148, 1150530), (1230, 1073828), (1435, 920424), (1640, 805371), (1722, 767020), (2296, 575265), (2460, 536914), (2870, 460212), (3444, 383510), (4305, 306808), (4920, 268457), (5740, 230106), (6888, 191755), (8610, 153404), (11480, 115053), (17220, 76702), (34440, 38351)]