881010180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1\times {\mathrm{307}}^1$

素因数の和:578

約数の個数: 144

約数和(自身を含む): 2724321600

約数和(自身を除く): 1843311420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 107, 149, 180, 214, 298, 307, 321, 428, 447, 535, 596, 614, 642, 745, 894, 921, 963, 1070, 1228, 1284, 1341, 1490, 1535, 1605, 1788, 1842, 1926, 2140, 2235, 2682, 2763, 2980, 3070, 3210, 3684, 3852, 4470, 4605, 4815, 5364, 5526, 6140, 6420, 6705, 8940, 9210, 9630, 11052, 13410, 13815, 15943, 18420, 19260, 26820, 27630, 31886, 32849, 45743, 47829, 55260, 63772, 65698, 79715, 91486, 95658, 98547, 131396, 137229, 143487, 159430, 164245, 182972, 191316, 197094, 228715, 239145, 274458, 286974, 295641, 318860, 328490, 394188, 411687, 457430, 478290, 492735, 548916, 573948, 591282, 656980, 686145, 717435, 823374, 914860, 956580, 985470, 1182564, 1372290, 1434870, 1478205, 1646748, 1970940, 2058435, 2744580, 2869740, 2956410, 4116870, 4894501, 5912820, 8233740, 9789002, 14683503, 19578004, 24472505, 29367006, 44050509, 48945010, 58734012, 73417515, 88101018, 97890020, 146835030, 176202036, 220252545, 293670060, 440505090, 881010180]

約数ペア:

[(1, 881010180), (2, 440505090), (3, 293670060), (4, 220252545), (5, 176202036), (6, 146835030), (9, 97890020), (10, 88101018), (12, 73417515), (15, 58734012), (18, 48945010), (20, 44050509), (30, 29367006), (36, 24472505), (45, 19578004), (60, 14683503), (90, 9789002), (107, 8233740), (149, 5912820), (180, 4894501), (214, 4116870), (298, 2956410), (307, 2869740), (321, 2744580), (428, 2058435), (447, 1970940), (535, 1646748), (596, 1478205), (614, 1434870), (642, 1372290), (745, 1182564), (894, 985470), (921, 956580), (963, 914860), (1070, 823374), (1228, 717435), (1284, 686145), (1341, 656980), (1490, 591282), (1535, 573948), (1605, 548916), (1788, 492735), (1842, 478290), (1926, 457430), (2140, 411687), (2235, 394188), (2682, 328490), (2763, 318860), (2980, 295641), (3070, 286974), (3210, 274458), (3684, 239145), (3852, 228715), (4470, 197094), (4605, 191316), (4815, 182972), (5364, 164245), (5526, 159430), (6140, 143487), (6420, 137229), (6705, 131396), (8940, 98547), (9210, 95658), (9630, 91486), (11052, 79715), (13410, 65698), (13815, 63772), (15943, 55260), (18420, 47829), (19260, 45743), (26820, 32849), (27630, 31886)]