721243560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{84653}}^1$

素因数の和:84738

約数の個数: 64

約数和(自身を含む): 2194231680

約数和(自身を除く): 1472988120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 4260, 8520, 84653, 169306, 253959, 338612, 423265, 507918, 677224, 846530, 1015836, 1269795, 1693060, 2031672, 2539590, 3386120, 5079180, 6010363, 10158360, 12020726, 18031089, 24041452, 30051815, 36062178, 48082904, 60103630, 72124356, 90155445, 120207260, 144248712, 180310890, 240414520, 360621780, 721243560]

約数ペア:

[(1, 721243560), (2, 360621780), (3, 240414520), (4, 180310890), (5, 144248712), (6, 120207260), (8, 90155445), (10, 72124356), (12, 60103630), (15, 48082904), (20, 36062178), (24, 30051815), (30, 24041452), (40, 18031089), (60, 12020726), (71, 10158360), (120, 6010363), (142, 5079180), (213, 3386120), (284, 2539590), (355, 2031672), (426, 1693060), (568, 1269795), (710, 1015836), (852, 846530), (1065, 677224), (1420, 507918), (1704, 423265), (2130, 338612), (2840, 253959), (4260, 169306), (8520, 84653)]