2554380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{617}}^1$

素因数の和:655

約数の個数: 72

約数和(自身を含む): 8098272

約数和(自身を除く): 5543892

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 617, 690, 828, 1035, 1234, 1380, 1851, 2070, 2468, 3085, 3702, 4140, 5553, 6170, 7404, 9255, 11106, 12340, 14191, 18510, 22212, 27765, 28382, 37020, 42573, 55530, 56764, 70955, 85146, 111060, 127719, 141910, 170292, 212865, 255438, 283820, 425730, 510876, 638595, 851460, 1277190, 2554380]

約数ペア:

[(1, 2554380), (2, 1277190), (3, 851460), (4, 638595), (5, 510876), (6, 425730), (9, 283820), (10, 255438), (12, 212865), (15, 170292), (18, 141910), (20, 127719), (23, 111060), (30, 85146), (36, 70955), (45, 56764), (46, 55530), (60, 42573), (69, 37020), (90, 28382), (92, 27765), (115, 22212), (138, 18510), (180, 14191), (207, 12340), (230, 11106), (276, 9255), (345, 7404), (414, 6170), (460, 5553), (617, 4140), (690, 3702), (828, 3085), (1035, 2468), (1234, 2070), (1380, 1851)]