261071025200

素因数分解:

$2^4\times 5^2\times {\mathrm{53}}^1\times {\mathrm{421}}^1\times {\mathrm{29251}}^1$

素因数の和:29743

約数の個数: 120

約数和(自身を含む): 640597387536

約数和(自身を除く): 379526362336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 53, 80, 100, 106, 200, 212, 265, 400, 421, 424, 530, 842, 848, 1060, 1325, 1684, 2105, 2120, 2650, 3368, 4210, 4240, 5300, 6736, 8420, 10525, 10600, 16840, 21050, 21200, 22313, 29251, 33680, 42100, 44626, 58502, 84200, 89252, 111565, 117004, 146255, 168400, 178504, 223130, 234008, 292510, 357008, 446260, 468016, 557825, 585020, 731275, 892520, 1115650, 1170040, 1462550, 1550303, 1785040, 2231300, 2340080, 2925100, 3100606, 4462600, 5850200, 6201212, 7751515, 8925200, 11700400, 12314671, 12402424, 15503030, 24629342, 24804848, 31006060, 38757575, 49258684, 61573355, 62012120, 77515150, 98517368, 123146710, 124024240, 155030300, 197034736, 246293420, 307866775, 310060600, 492586840, 615733550, 620121200, 652677563, 985173680, 1231467100, 1305355126, 2462934200, 2610710252, 3263387815, 4925868400, 5221420504, 6526775630, 10442841008, 13053551260, 16316939075, 26107102520, 32633878150, 52214205040, 65267756300, 130535512600, 261071025200]

約数ペア:

[(1, 261071025200), (2, 130535512600), (4, 65267756300), (5, 52214205040), (8, 32633878150), (10, 26107102520), (16, 16316939075), (20, 13053551260), (25, 10442841008), (40, 6526775630), (50, 5221420504), (53, 4925868400), (80, 3263387815), (100, 2610710252), (106, 2462934200), (200, 1305355126), (212, 1231467100), (265, 985173680), (400, 652677563), (421, 620121200), (424, 615733550), (530, 492586840), (842, 310060600), (848, 307866775), (1060, 246293420), (1325, 197034736), (1684, 155030300), (2105, 124024240), (2120, 123146710), (2650, 98517368), (3368, 77515150), (4210, 62012120), (4240, 61573355), (5300, 49258684), (6736, 38757575), (8420, 31006060), (10525, 24804848), (10600, 24629342), (16840, 15503030), (21050, 12402424), (21200, 12314671), (22313, 11700400), (29251, 8925200), (33680, 7751515), (42100, 6201212), (44626, 5850200), (58502, 4462600), (84200, 3100606), (89252, 2925100), (111565, 2340080), (117004, 2231300), (146255, 1785040), (168400, 1550303), (178504, 1462550), (223130, 1170040), (234008, 1115650), (292510, 892520), (357008, 731275), (446260, 585020), (468016, 557825)]