40604040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{61}}^1$

素因数の和:164

約数の個数: 144

約数和(自身を含む): 137318220

約数和(自身を除く): 96714180

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 43, 45, 60, 61, 72, 86, 90, 120, 122, 129, 172, 180, 183, 215, 244, 258, 305, 344, 360, 366, 387, 430, 488, 516, 549, 610, 645, 732, 774, 860, 915, 1032, 1098, 1220, 1290, 1464, 1548, 1720, 1830, 1849, 1935, 2196, 2440, 2580, 2623, 2745, 3096, 3660, 3698, 3870, 4392, 5160, 5246, 5490, 5547, 7320, 7396, 7740, 7869, 9245, 10492, 10980, 11094, 13115, 14792, 15480, 15738, 16641, 18490, 20984, 21960, 22188, 23607, 26230, 27735, 31476, 33282, 36980, 39345, 44376, 47214, 52460, 55470, 62952, 66564, 73960, 78690, 83205, 94428, 104920, 110940, 112789, 118035, 133128, 157380, 166410, 188856, 221880, 225578, 236070, 314760, 332820, 338367, 451156, 472140, 563945, 665640, 676734, 902312, 944280, 1015101, 1127890, 1353468, 1691835, 2030202, 2255780, 2706936, 3383670, 4060404, 4511560, 5075505, 6767340, 8120808, 10151010, 13534680, 20302020, 40604040]

約数ペア:

[(1, 40604040), (2, 20302020), (3, 13534680), (4, 10151010), (5, 8120808), (6, 6767340), (8, 5075505), (9, 4511560), (10, 4060404), (12, 3383670), (15, 2706936), (18, 2255780), (20, 2030202), (24, 1691835), (30, 1353468), (36, 1127890), (40, 1015101), (43, 944280), (45, 902312), (60, 676734), (61, 665640), (72, 563945), (86, 472140), (90, 451156), (120, 338367), (122, 332820), (129, 314760), (172, 236070), (180, 225578), (183, 221880), (215, 188856), (244, 166410), (258, 157380), (305, 133128), (344, 118035), (360, 112789), (366, 110940), (387, 104920), (430, 94428), (488, 83205), (516, 78690), (549, 73960), (610, 66564), (645, 62952), (732, 55470), (774, 52460), (860, 47214), (915, 44376), (1032, 39345), (1098, 36980), (1220, 33282), (1290, 31476), (1464, 27735), (1548, 26230), (1720, 23607), (1830, 22188), (1849, 21960), (1935, 20984), (2196, 18490), (2440, 16641), (2580, 15738), (2623, 15480), (2745, 14792), (3096, 13115), (3660, 11094), (3698, 10980), (3870, 10492), (4392, 9245), (5160, 7869), (5246, 7740), (5490, 7396), (5547, 7320)]