2040480

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:143

約数の個数: 144

約数和(自身を含む): 7567560

約数和(自身を除く): 5527080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 109, 117, 120, 130, 144, 156, 160, 180, 195, 208, 218, 234, 240, 260, 288, 312, 327, 360, 390, 416, 436, 468, 480, 520, 545, 585, 624, 654, 720, 780, 872, 936, 981, 1040, 1090, 1170, 1248, 1308, 1417, 1440, 1560, 1635, 1744, 1872, 1962, 2080, 2180, 2340, 2616, 2834, 3120, 3270, 3488, 3744, 3924, 4251, 4360, 4680, 4905, 5232, 5668, 6240, 6540, 7085, 7848, 8502, 8720, 9360, 9810, 10464, 11336, 12753, 13080, 14170, 15696, 17004, 17440, 18720, 19620, 21255, 22672, 25506, 26160, 28340, 31392, 34008, 39240, 42510, 45344, 51012, 52320, 56680, 63765, 68016, 78480, 85020, 102024, 113360, 127530, 136032, 156960, 170040, 204048, 226720, 255060, 340080, 408096, 510120, 680160, 1020240, 2040480]

約数ペア:

[(1, 2040480), (2, 1020240), (3, 680160), (4, 510120), (5, 408096), (6, 340080), (8, 255060), (9, 226720), (10, 204048), (12, 170040), (13, 156960), (15, 136032), (16, 127530), (18, 113360), (20, 102024), (24, 85020), (26, 78480), (30, 68016), (32, 63765), (36, 56680), (39, 52320), (40, 51012), (45, 45344), (48, 42510), (52, 39240), (60, 34008), (65, 31392), (72, 28340), (78, 26160), (80, 25506), (90, 22672), (96, 21255), (104, 19620), (109, 18720), (117, 17440), (120, 17004), (130, 15696), (144, 14170), (156, 13080), (160, 12753), (180, 11336), (195, 10464), (208, 9810), (218, 9360), (234, 8720), (240, 8502), (260, 7848), (288, 7085), (312, 6540), (327, 6240), (360, 5668), (390, 5232), (416, 4905), (436, 4680), (468, 4360), (480, 4251), (520, 3924), (545, 3744), (585, 3488), (624, 3270), (654, 3120), (720, 2834), (780, 2616), (872, 2340), (936, 2180), (981, 2080), (1040, 1962), (1090, 1872), (1170, 1744), (1248, 1635), (1308, 1560), (1417, 1440)]