15693620540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{443}}^1$

素因数の和:748

約数の個数: 144

約数和(自身を含む): 36692103168

約数和(自身を除く): 20998482628

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 169, 188, 223, 235, 260, 338, 443, 446, 470, 611, 676, 845, 886, 892, 940, 1115, 1222, 1690, 1772, 2215, 2230, 2444, 2899, 3055, 3380, 4430, 4460, 5759, 5798, 6110, 7943, 8860, 10481, 11518, 11596, 12220, 14495, 15886, 20821, 20962, 23036, 28795, 28990, 31772, 37687, 39715, 41642, 41924, 52405, 57590, 57980, 74867, 75374, 79430, 83284, 98789, 104105, 104810, 115180, 136253, 149734, 150748, 158860, 188435, 197578, 208210, 209620, 270673, 272506, 299468, 374335, 376870, 395156, 416420, 493945, 541346, 545012, 681265, 748670, 753740, 987890, 1082692, 1284257, 1353365, 1362530, 1497340, 1771289, 1975780, 2568514, 2706730, 2725060, 3518749, 3542578, 4643083, 5137028, 5413460, 6421285, 7037498, 7085156, 8856445, 9286166, 12842570, 14074996, 16695341, 17593745, 17712890, 18572332, 23215415, 25685140, 33390682, 35187490, 35425780, 46430830, 60360079, 66781364, 70374980, 83476705, 92861660, 120720158, 166953410, 241440316, 301800395, 333906820, 603600790, 784681027, 1207201580, 1569362054, 3138724108, 3923405135, 7846810270, 15693620540]

約数ペア:

[(1, 15693620540), (2, 7846810270), (4, 3923405135), (5, 3138724108), (10, 1569362054), (13, 1207201580), (20, 784681027), (26, 603600790), (47, 333906820), (52, 301800395), (65, 241440316), (94, 166953410), (130, 120720158), (169, 92861660), (188, 83476705), (223, 70374980), (235, 66781364), (260, 60360079), (338, 46430830), (443, 35425780), (446, 35187490), (470, 33390682), (611, 25685140), (676, 23215415), (845, 18572332), (886, 17712890), (892, 17593745), (940, 16695341), (1115, 14074996), (1222, 12842570), (1690, 9286166), (1772, 8856445), (2215, 7085156), (2230, 7037498), (2444, 6421285), (2899, 5413460), (3055, 5137028), (3380, 4643083), (4430, 3542578), (4460, 3518749), (5759, 2725060), (5798, 2706730), (6110, 2568514), (7943, 1975780), (8860, 1771289), (10481, 1497340), (11518, 1362530), (11596, 1353365), (12220, 1284257), (14495, 1082692), (15886, 987890), (20821, 753740), (20962, 748670), (23036, 681265), (28795, 545012), (28990, 541346), (31772, 493945), (37687, 416420), (39715, 395156), (41642, 376870), (41924, 374335), (52405, 299468), (57590, 272506), (57980, 270673), (74867, 209620), (75374, 208210), (79430, 197578), (83284, 188435), (98789, 158860), (104105, 150748), (104810, 149734), (115180, 136253)]