40120740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{881}}^1$

素因数の和:930

約数の個数: 144

約数和(自身を含む): 138692736

約数和(自身を除く): 98571996

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 23, 30, 33, 36, 44, 45, 46, 55, 60, 66, 69, 90, 92, 99, 110, 115, 132, 138, 165, 180, 198, 207, 220, 230, 253, 276, 330, 345, 396, 414, 460, 495, 506, 660, 690, 759, 828, 881, 990, 1012, 1035, 1265, 1380, 1518, 1762, 1980, 2070, 2277, 2530, 2643, 3036, 3524, 3795, 4140, 4405, 4554, 5060, 5286, 7590, 7929, 8810, 9108, 9691, 10572, 11385, 13215, 15180, 15858, 17620, 19382, 20263, 22770, 26430, 29073, 31716, 38764, 39645, 40526, 45540, 48455, 52860, 58146, 60789, 79290, 81052, 87219, 96910, 101315, 116292, 121578, 145365, 158580, 174438, 182367, 193820, 202630, 222893, 243156, 290730, 303945, 348876, 364734, 405260, 436095, 445786, 581460, 607890, 668679, 729468, 872190, 891572, 911835, 1114465, 1215780, 1337358, 1744380, 1823670, 2006037, 2228930, 2674716, 3343395, 3647340, 4012074, 4457860, 6686790, 8024148, 10030185, 13373580, 20060370, 40120740]

約数ペア:

[(1, 40120740), (2, 20060370), (3, 13373580), (4, 10030185), (5, 8024148), (6, 6686790), (9, 4457860), (10, 4012074), (11, 3647340), (12, 3343395), (15, 2674716), (18, 2228930), (20, 2006037), (22, 1823670), (23, 1744380), (30, 1337358), (33, 1215780), (36, 1114465), (44, 911835), (45, 891572), (46, 872190), (55, 729468), (60, 668679), (66, 607890), (69, 581460), (90, 445786), (92, 436095), (99, 405260), (110, 364734), (115, 348876), (132, 303945), (138, 290730), (165, 243156), (180, 222893), (198, 202630), (207, 193820), (220, 182367), (230, 174438), (253, 158580), (276, 145365), (330, 121578), (345, 116292), (396, 101315), (414, 96910), (460, 87219), (495, 81052), (506, 79290), (660, 60789), (690, 58146), (759, 52860), (828, 48455), (881, 45540), (990, 40526), (1012, 39645), (1035, 38764), (1265, 31716), (1380, 29073), (1518, 26430), (1762, 22770), (1980, 20263), (2070, 19382), (2277, 17620), (2530, 15858), (2643, 15180), (3036, 13215), (3524, 11385), (3795, 10572), (4140, 9691), (4405, 9108), (4554, 8810), (5060, 7929), (5286, 7590)]