42708420

素因数分解:

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

素因数の和:870

約数の個数: 108

約数和(自身を含む): 137785284

約数和(自身を除く): 95076864

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 289, 306, 340, 510, 578, 612, 765, 821, 867, 1020, 1156, 1445, 1530, 1642, 1734, 2463, 2601, 2890, 3060, 3284, 3468, 4105, 4335, 4926, 5202, 5780, 7389, 8210, 8670, 9852, 10404, 12315, 13005, 13957, 14778, 16420, 17340, 24630, 26010, 27914, 29556, 36945, 41871, 49260, 52020, 55828, 69785, 73890, 83742, 125613, 139570, 147780, 167484, 209355, 237269, 251226, 279140, 418710, 474538, 502452, 628065, 711807, 837420, 949076, 1186345, 1256130, 1423614, 2135421, 2372690, 2512260, 2847228, 3559035, 4270842, 4745380, 7118070, 8541684, 10677105, 14236140, 21354210, 42708420]

約数ペア:

[(1, 42708420), (2, 21354210), (3, 14236140), (4, 10677105), (5, 8541684), (6, 7118070), (9, 4745380), (10, 4270842), (12, 3559035), (15, 2847228), (17, 2512260), (18, 2372690), (20, 2135421), (30, 1423614), (34, 1256130), (36, 1186345), (45, 949076), (51, 837420), (60, 711807), (68, 628065), (85, 502452), (90, 474538), (102, 418710), (153, 279140), (170, 251226), (180, 237269), (204, 209355), (255, 167484), (289, 147780), (306, 139570), (340, 125613), (510, 83742), (578, 73890), (612, 69785), (765, 55828), (821, 52020), (867, 49260), (1020, 41871), (1156, 36945), (1445, 29556), (1530, 27914), (1642, 26010), (1734, 24630), (2463, 17340), (2601, 16420), (2890, 14778), (3060, 13957), (3284, 13005), (3468, 12315), (4105, 10404), (4335, 9852), (4926, 8670), (5202, 8210), (5780, 7389)]