128125260

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{821}}^1$

素因数の和:873

約数の個数: 144

約数和(自身を含む): 423954720

約数和(自身を除く): 295829460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 85, 90, 102, 108, 135, 153, 170, 180, 204, 255, 270, 289, 306, 340, 459, 510, 540, 578, 612, 765, 821, 867, 918, 1020, 1156, 1445, 1530, 1642, 1734, 1836, 2295, 2463, 2601, 2890, 3060, 3284, 3468, 4105, 4335, 4590, 4926, 5202, 5780, 7389, 7803, 8210, 8670, 9180, 9852, 10404, 12315, 13005, 13957, 14778, 15606, 16420, 17340, 22167, 24630, 26010, 27914, 29556, 31212, 36945, 39015, 41871, 44334, 49260, 52020, 55828, 69785, 73890, 78030, 83742, 88668, 110835, 125613, 139570, 147780, 156060, 167484, 209355, 221670, 237269, 251226, 279140, 376839, 418710, 443340, 474538, 502452, 628065, 711807, 753678, 837420, 949076, 1186345, 1256130, 1423614, 1507356, 1884195, 2135421, 2372690, 2512260, 2847228, 3559035, 3768390, 4270842, 4745380, 6406263, 7118070, 7536780, 8541684, 10677105, 12812526, 14236140, 21354210, 25625052, 32031315, 42708420, 64062630, 128125260]

約数ペア:

[(1, 128125260), (2, 64062630), (3, 42708420), (4, 32031315), (5, 25625052), (6, 21354210), (9, 14236140), (10, 12812526), (12, 10677105), (15, 8541684), (17, 7536780), (18, 7118070), (20, 6406263), (27, 4745380), (30, 4270842), (34, 3768390), (36, 3559035), (45, 2847228), (51, 2512260), (54, 2372690), (60, 2135421), (68, 1884195), (85, 1507356), (90, 1423614), (102, 1256130), (108, 1186345), (135, 949076), (153, 837420), (170, 753678), (180, 711807), (204, 628065), (255, 502452), (270, 474538), (289, 443340), (306, 418710), (340, 376839), (459, 279140), (510, 251226), (540, 237269), (578, 221670), (612, 209355), (765, 167484), (821, 156060), (867, 147780), (918, 139570), (1020, 125613), (1156, 110835), (1445, 88668), (1530, 83742), (1642, 78030), (1734, 73890), (1836, 69785), (2295, 55828), (2463, 52020), (2601, 49260), (2890, 44334), (3060, 41871), (3284, 39015), (3468, 36945), (4105, 31212), (4335, 29556), (4590, 27914), (4926, 26010), (5202, 24630), (5780, 22167), (7389, 17340), (7803, 16420), (8210, 15606), (8670, 14778), (9180, 13957), (9852, 13005), (10404, 12315)]