690413880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{442573}}^1$

素因数の和:442600

約数の個数: 64

約数和(自身を含む): 2230572960

約数和(自身を除く): 1540159080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 442573, 885146, 1327719, 1770292, 2212865, 2655438, 3540584, 4425730, 5310876, 5753449, 6638595, 8851460, 10621752, 11506898, 13277190, 17260347, 17702920, 23013796, 26554380, 28767245, 34520694, 46027592, 53108760, 57534490, 69041388, 86301735, 115068980, 138082776, 172603470, 230137960, 345206940, 690413880]

約数ペア:

[(1, 690413880), (2, 345206940), (3, 230137960), (4, 172603470), (5, 138082776), (6, 115068980), (8, 86301735), (10, 69041388), (12, 57534490), (13, 53108760), (15, 46027592), (20, 34520694), (24, 28767245), (26, 26554380), (30, 23013796), (39, 17702920), (40, 17260347), (52, 13277190), (60, 11506898), (65, 10621752), (78, 8851460), (104, 6638595), (120, 5753449), (130, 5310876), (156, 4425730), (195, 3540584), (260, 2655438), (312, 2212865), (390, 1770292), (520, 1327719), (780, 885146), (1560, 442573)]