74445420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{491}}^1$

素因数の和:548

約数の個数: 144

約数和(自身を含む): 251935488

約数和(自身を除く): 177490068

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 361, 380, 399, 420, 491, 532, 570, 665, 722, 798, 982, 1083, 1140, 1330, 1444, 1473, 1596, 1805, 1964, 1995, 2166, 2455, 2527, 2660, 2946, 3437, 3610, 3990, 4332, 4910, 5054, 5415, 5892, 6874, 7220, 7365, 7581, 7980, 9329, 9820, 10108, 10311, 10830, 12635, 13748, 14730, 15162, 17185, 18658, 20622, 21660, 25270, 27987, 29460, 30324, 34370, 37316, 37905, 41244, 46645, 50540, 51555, 55974, 65303, 68740, 75810, 93290, 103110, 111948, 130606, 139935, 151620, 177251, 186580, 195909, 206220, 261212, 279870, 326515, 354502, 391818, 531753, 559740, 653030, 709004, 783636, 886255, 979545, 1063506, 1240757, 1306060, 1772510, 1959090, 2127012, 2481514, 2658765, 3545020, 3722271, 3918180, 4963028, 5317530, 6203785, 7444542, 10635060, 12407570, 14889084, 18611355, 24815140, 37222710, 74445420]

約数ペア:

[(1, 74445420), (2, 37222710), (3, 24815140), (4, 18611355), (5, 14889084), (6, 12407570), (7, 10635060), (10, 7444542), (12, 6203785), (14, 5317530), (15, 4963028), (19, 3918180), (20, 3722271), (21, 3545020), (28, 2658765), (30, 2481514), (35, 2127012), (38, 1959090), (42, 1772510), (57, 1306060), (60, 1240757), (70, 1063506), (76, 979545), (84, 886255), (95, 783636), (105, 709004), (114, 653030), (133, 559740), (140, 531753), (190, 391818), (210, 354502), (228, 326515), (266, 279870), (285, 261212), (361, 206220), (380, 195909), (399, 186580), (420, 177251), (491, 151620), (532, 139935), (570, 130606), (665, 111948), (722, 103110), (798, 93290), (982, 75810), (1083, 68740), (1140, 65303), (1330, 55974), (1444, 51555), (1473, 50540), (1596, 46645), (1805, 41244), (1964, 37905), (1995, 37316), (2166, 34370), (2455, 30324), (2527, 29460), (2660, 27987), (2946, 25270), (3437, 21660), (3610, 20622), (3990, 18658), (4332, 17185), (4910, 15162), (5054, 14730), (5415, 13748), (5892, 12635), (6874, 10830), (7220, 10311), (7365, 10108), (7581, 9820), (7980, 9329)]