42540240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{491}}^1$

素因数の和:545

約数の個数: 120

約数和(自身を含む): 139464288

約数和(自身を除く): 96924048

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 361, 380, 456, 491, 570, 722, 760, 912, 982, 1083, 1140, 1444, 1473, 1520, 1805, 1964, 2166, 2280, 2455, 2888, 2946, 3610, 3928, 4332, 4560, 4910, 5415, 5776, 5892, 7220, 7365, 7856, 8664, 9329, 9820, 10830, 11784, 14440, 14730, 17328, 18658, 19640, 21660, 23568, 27987, 28880, 29460, 37316, 39280, 43320, 46645, 55974, 58920, 74632, 86640, 93290, 111948, 117840, 139935, 149264, 177251, 186580, 223896, 279870, 354502, 373160, 447792, 531753, 559740, 709004, 746320, 886255, 1063506, 1119480, 1418008, 1772510, 2127012, 2238960, 2658765, 2836016, 3545020, 4254024, 5317530, 7090040, 8508048, 10635060, 14180080, 21270120, 42540240]

約数ペア:

[(1, 42540240), (2, 21270120), (3, 14180080), (4, 10635060), (5, 8508048), (6, 7090040), (8, 5317530), (10, 4254024), (12, 3545020), (15, 2836016), (16, 2658765), (19, 2238960), (20, 2127012), (24, 1772510), (30, 1418008), (38, 1119480), (40, 1063506), (48, 886255), (57, 746320), (60, 709004), (76, 559740), (80, 531753), (95, 447792), (114, 373160), (120, 354502), (152, 279870), (190, 223896), (228, 186580), (240, 177251), (285, 149264), (304, 139935), (361, 117840), (380, 111948), (456, 93290), (491, 86640), (570, 74632), (722, 58920), (760, 55974), (912, 46645), (982, 43320), (1083, 39280), (1140, 37316), (1444, 29460), (1473, 28880), (1520, 27987), (1805, 23568), (1964, 21660), (2166, 19640), (2280, 18658), (2455, 17328), (2888, 14730), (2946, 14440), (3610, 11784), (3928, 10830), (4332, 9820), (4560, 9329), (4910, 8664), (5415, 7856), (5776, 7365), (5892, 7220)]