261048060

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15937}}^1$

素因数の和:15972

約数の個数: 144

約数和(自身を含む): 974640576

約数和(自身を除く): 713592516

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 15937, 16380, 31874, 47811, 63748, 79685, 95622, 111559, 143433, 159370, 191244, 207181, 223118, 239055, 286866, 318740, 334677, 414362, 446236, 478110, 557795, 573732, 621543, 669354, 717165, 828724, 956220, 1004031, 1035905, 1115590, 1243086, 1338708, 1434330, 1450267, 1673385, 1864629, 2008062, 2071810, 2231180, 2486172, 2868660, 2900534, 3107715, 3346770, 3729258, 4016124, 4143620, 4350801, 5020155, 5801068, 6215430, 6693540, 7251335, 7458516, 8701602, 9323145, 10040310, 12430860, 13052403, 14502670, 17403204, 18646290, 20080620, 21754005, 26104806, 29005340, 37292580, 43508010, 52209612, 65262015, 87016020, 130524030, 261048060]

約数ペア:

[(1, 261048060), (2, 130524030), (3, 87016020), (4, 65262015), (5, 52209612), (6, 43508010), (7, 37292580), (9, 29005340), (10, 26104806), (12, 21754005), (13, 20080620), (14, 18646290), (15, 17403204), (18, 14502670), (20, 13052403), (21, 12430860), (26, 10040310), (28, 9323145), (30, 8701602), (35, 7458516), (36, 7251335), (39, 6693540), (42, 6215430), (45, 5801068), (52, 5020155), (60, 4350801), (63, 4143620), (65, 4016124), (70, 3729258), (78, 3346770), (84, 3107715), (90, 2900534), (91, 2868660), (105, 2486172), (117, 2231180), (126, 2071810), (130, 2008062), (140, 1864629), (156, 1673385), (180, 1450267), (182, 1434330), (195, 1338708), (210, 1243086), (234, 1115590), (252, 1035905), (260, 1004031), (273, 956220), (315, 828724), (364, 717165), (390, 669354), (420, 621543), (455, 573732), (468, 557795), (546, 478110), (585, 446236), (630, 414362), (780, 334677), (819, 318740), (910, 286866), (1092, 239055), (1170, 223118), (1260, 207181), (1365, 191244), (1638, 159370), (1820, 143433), (2340, 111559), (2730, 95622), (3276, 79685), (4095, 63748), (5460, 47811), (8190, 31874), (15937, 16380)]