2809957860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{269}}^1\times {\mathrm{443}}^1$

素因数の和:858

約数の個数: 144

約数和(自身を含む): 8639991360

約数和(自身を除く): 5830033500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 131, 180, 262, 269, 393, 443, 524, 538, 655, 786, 807, 886, 1076, 1179, 1310, 1329, 1345, 1572, 1614, 1772, 1965, 2215, 2358, 2421, 2620, 2658, 2690, 3228, 3930, 3987, 4035, 4430, 4716, 4842, 5316, 5380, 5895, 6645, 7860, 7974, 8070, 8860, 9684, 11790, 12105, 13290, 15948, 16140, 19935, 23580, 24210, 26580, 35239, 39870, 48420, 58033, 70478, 79740, 105717, 116066, 119167, 140956, 174099, 176195, 211434, 232132, 238334, 290165, 317151, 348198, 352390, 357501, 422868, 476668, 522297, 528585, 580330, 595835, 634302, 696396, 704780, 715002, 870495, 1044594, 1057170, 1072503, 1160660, 1191670, 1268604, 1430004, 1585755, 1740990, 1787505, 2089188, 2114340, 2145006, 2383340, 2611485, 3171510, 3481980, 3575010, 4290012, 5222970, 5362515, 6343020, 7150020, 10445940, 10725030, 15610877, 21450060, 31221754, 46832631, 62443508, 78054385, 93665262, 140497893, 156108770, 187330524, 234163155, 280995786, 312217540, 468326310, 561991572, 702489465, 936652620, 1404978930, 2809957860]

約数ペア:

[(1, 2809957860), (2, 1404978930), (3, 936652620), (4, 702489465), (5, 561991572), (6, 468326310), (9, 312217540), (10, 280995786), (12, 234163155), (15, 187330524), (18, 156108770), (20, 140497893), (30, 93665262), (36, 78054385), (45, 62443508), (60, 46832631), (90, 31221754), (131, 21450060), (180, 15610877), (262, 10725030), (269, 10445940), (393, 7150020), (443, 6343020), (524, 5362515), (538, 5222970), (655, 4290012), (786, 3575010), (807, 3481980), (886, 3171510), (1076, 2611485), (1179, 2383340), (1310, 2145006), (1329, 2114340), (1345, 2089188), (1572, 1787505), (1614, 1740990), (1772, 1585755), (1965, 1430004), (2215, 1268604), (2358, 1191670), (2421, 1160660), (2620, 1072503), (2658, 1057170), (2690, 1044594), (3228, 870495), (3930, 715002), (3987, 704780), (4035, 696396), (4430, 634302), (4716, 595835), (4842, 580330), (5316, 528585), (5380, 522297), (5895, 476668), (6645, 422868), (7860, 357501), (7974, 352390), (8070, 348198), (8860, 317151), (9684, 290165), (11790, 238334), (12105, 232132), (13290, 211434), (15948, 176195), (16140, 174099), (19935, 140956), (23580, 119167), (24210, 116066), (26580, 105717), (35239, 79740), (39870, 70478), (48420, 58033)]