31420080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{151}}^1$

素因数の和:204

約数の個数: 180

約数和(自身を含む): 112833552

約数和(自身を除く): 81413472

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 102, 120, 136, 144, 151, 153, 170, 180, 204, 240, 255, 272, 289, 302, 306, 340, 360, 408, 453, 510, 578, 604, 612, 680, 720, 755, 765, 816, 867, 906, 1020, 1156, 1208, 1224, 1359, 1360, 1445, 1510, 1530, 1734, 1812, 2040, 2265, 2312, 2416, 2448, 2567, 2601, 2718, 2890, 3020, 3060, 3468, 3624, 4080, 4335, 4530, 4624, 5134, 5202, 5436, 5780, 6040, 6120, 6795, 6936, 7248, 7701, 8670, 9060, 10268, 10404, 10872, 11560, 12080, 12240, 12835, 13005, 13590, 13872, 15402, 17340, 18120, 20536, 20808, 21744, 23103, 23120, 25670, 26010, 27180, 30804, 34680, 36240, 38505, 41072, 41616, 43639, 46206, 51340, 52020, 54360, 61608, 69360, 77010, 87278, 92412, 102680, 104040, 108720, 115515, 123216, 130917, 154020, 174556, 184824, 205360, 208080, 218195, 231030, 261834, 308040, 349112, 369648, 392751, 436390, 462060, 523668, 616080, 654585, 698224, 785502, 872780, 924120, 1047336, 1309170, 1571004, 1745560, 1848240, 1963755, 2094672, 2618340, 3142008, 3491120, 3927510, 5236680, 6284016, 7855020, 10473360, 15710040, 31420080]

約数ペア:

[(1, 31420080), (2, 15710040), (3, 10473360), (4, 7855020), (5, 6284016), (6, 5236680), (8, 3927510), (9, 3491120), (10, 3142008), (12, 2618340), (15, 2094672), (16, 1963755), (17, 1848240), (18, 1745560), (20, 1571004), (24, 1309170), (30, 1047336), (34, 924120), (36, 872780), (40, 785502), (45, 698224), (48, 654585), (51, 616080), (60, 523668), (68, 462060), (72, 436390), (80, 392751), (85, 369648), (90, 349112), (102, 308040), (120, 261834), (136, 231030), (144, 218195), (151, 208080), (153, 205360), (170, 184824), (180, 174556), (204, 154020), (240, 130917), (255, 123216), (272, 115515), (289, 108720), (302, 104040), (306, 102680), (340, 92412), (360, 87278), (408, 77010), (453, 69360), (510, 61608), (578, 54360), (604, 52020), (612, 51340), (680, 46206), (720, 43639), (755, 41616), (765, 41072), (816, 38505), (867, 36240), (906, 34680), (1020, 30804), (1156, 27180), (1208, 26010), (1224, 25670), (1359, 23120), (1360, 23103), (1445, 21744), (1510, 20808), (1530, 20536), (1734, 18120), (1812, 17340), (2040, 15402), (2265, 13872), (2312, 13590), (2416, 13005), (2448, 12835), (2567, 12240), (2601, 12080), (2718, 11560), (2890, 10872), (3020, 10404), (3060, 10268), (3468, 9060), (3624, 8670), (4080, 7701), (4335, 7248), (4530, 6936), (4624, 6795), (5134, 6120), (5202, 6040), (5436, 5780)]