72980040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{307}}^1$

素因数の和:611

約数の個数: 128

約数和(自身を含む): 251919360

約数和(自身を除く): 178939320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 283, 307, 420, 566, 614, 840, 849, 921, 1132, 1228, 1415, 1535, 1698, 1842, 1981, 2149, 2264, 2456, 2830, 3070, 3396, 3684, 3962, 4245, 4298, 4605, 5660, 5943, 6140, 6447, 6792, 7368, 7924, 8490, 8596, 9210, 9905, 10745, 11320, 11886, 12280, 12894, 15848, 16980, 17192, 18420, 19810, 21490, 23772, 25788, 29715, 32235, 33960, 36840, 39620, 42980, 47544, 51576, 59430, 64470, 79240, 85960, 86881, 118860, 128940, 173762, 237720, 257880, 260643, 347524, 434405, 521286, 608167, 695048, 868810, 1042572, 1216334, 1303215, 1737620, 1824501, 2085144, 2432668, 2606430, 3040835, 3475240, 3649002, 4865336, 5212860, 6081670, 7298004, 9122505, 10425720, 12163340, 14596008, 18245010, 24326680, 36490020, 72980040]

約数ペア:

[(1, 72980040), (2, 36490020), (3, 24326680), (4, 18245010), (5, 14596008), (6, 12163340), (7, 10425720), (8, 9122505), (10, 7298004), (12, 6081670), (14, 5212860), (15, 4865336), (20, 3649002), (21, 3475240), (24, 3040835), (28, 2606430), (30, 2432668), (35, 2085144), (40, 1824501), (42, 1737620), (56, 1303215), (60, 1216334), (70, 1042572), (84, 868810), (105, 695048), (120, 608167), (140, 521286), (168, 434405), (210, 347524), (280, 260643), (283, 257880), (307, 237720), (420, 173762), (566, 128940), (614, 118860), (840, 86881), (849, 85960), (921, 79240), (1132, 64470), (1228, 59430), (1415, 51576), (1535, 47544), (1698, 42980), (1842, 39620), (1981, 36840), (2149, 33960), (2264, 32235), (2456, 29715), (2830, 25788), (3070, 23772), (3396, 21490), (3684, 19810), (3962, 18420), (4245, 17192), (4298, 16980), (4605, 15848), (5660, 12894), (5943, 12280), (6140, 11886), (6447, 11320), (6792, 10745), (7368, 9905), (7924, 9210), (8490, 8596)]