131490840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2719}}^1$

素因数の和:2777

約数の個数: 128

約数和(自身を含む): 438681600

約数和(自身を除く): 307190760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 155, 156, 186, 195, 248, 260, 310, 312, 372, 390, 403, 465, 520, 620, 744, 780, 806, 930, 1209, 1240, 1560, 1612, 1860, 2015, 2418, 2719, 3224, 3720, 4030, 4836, 5438, 6045, 8060, 8157, 9672, 10876, 12090, 13595, 16120, 16314, 21752, 24180, 27190, 32628, 35347, 40785, 48360, 54380, 65256, 70694, 81570, 84289, 106041, 108760, 141388, 163140, 168578, 176735, 212082, 252867, 282776, 326280, 337156, 353470, 421445, 424164, 505734, 530205, 674312, 706940, 842890, 848328, 1011468, 1060410, 1095757, 1264335, 1413880, 1685780, 2022936, 2120820, 2191514, 2528670, 3287271, 3371560, 4241640, 4383028, 5057340, 5478785, 6574542, 8766056, 10114680, 10957570, 13149084, 16436355, 21915140, 26298168, 32872710, 43830280, 65745420, 131490840]

約数ペア:

[(1, 131490840), (2, 65745420), (3, 43830280), (4, 32872710), (5, 26298168), (6, 21915140), (8, 16436355), (10, 13149084), (12, 10957570), (13, 10114680), (15, 8766056), (20, 6574542), (24, 5478785), (26, 5057340), (30, 4383028), (31, 4241640), (39, 3371560), (40, 3287271), (52, 2528670), (60, 2191514), (62, 2120820), (65, 2022936), (78, 1685780), (93, 1413880), (104, 1264335), (120, 1095757), (124, 1060410), (130, 1011468), (155, 848328), (156, 842890), (186, 706940), (195, 674312), (248, 530205), (260, 505734), (310, 424164), (312, 421445), (372, 353470), (390, 337156), (403, 326280), (465, 282776), (520, 252867), (620, 212082), (744, 176735), (780, 168578), (806, 163140), (930, 141388), (1209, 108760), (1240, 106041), (1560, 84289), (1612, 81570), (1860, 70694), (2015, 65256), (2418, 54380), (2719, 48360), (3224, 40785), (3720, 35347), (4030, 32628), (4836, 27190), (5438, 24180), (6045, 21752), (8060, 16314), (8157, 16120), (9672, 13595), (10876, 12090)]