261864360

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{242467}}^1$

素因数の和:242487

約数の個数: 64

約数和(自身を含む): 872884800

約数和(自身を除く): 611020440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 242467, 484934, 727401, 969868, 1212335, 1454802, 1939736, 2182203, 2424670, 2909604, 3637005, 4364406, 4849340, 5819208, 6546609, 7274010, 8728812, 9698680, 10911015, 13093218, 14548020, 17457624, 21822030, 26186436, 29096040, 32733045, 43644060, 52372872, 65466090, 87288120, 130932180, 261864360]

約数ペア:

[(1, 261864360), (2, 130932180), (3, 87288120), (4, 65466090), (5, 52372872), (6, 43644060), (8, 32733045), (9, 29096040), (10, 26186436), (12, 21822030), (15, 17457624), (18, 14548020), (20, 13093218), (24, 10911015), (27, 9698680), (30, 8728812), (36, 7274010), (40, 6546609), (45, 5819208), (54, 4849340), (60, 4364406), (72, 3637005), (90, 2909604), (108, 2424670), (120, 2182203), (135, 1939736), (180, 1454802), (216, 1212335), (270, 969868), (360, 727401), (540, 484934), (1080, 242467)]