31100940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13291}}^1$

素因数の和:13319

約数の個数: 72

約数和(自身を含む): 101604048

約数和(自身を除く): 70503108

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 13291, 26582, 39873, 53164, 66455, 79746, 119619, 132910, 159492, 172783, 199365, 239238, 265820, 345566, 398730, 478476, 518349, 598095, 691132, 797460, 863915, 1036698, 1196190, 1555047, 1727830, 2073396, 2392380, 2591745, 3110094, 3455660, 5183490, 6220188, 7775235, 10366980, 15550470, 31100940]

約数ペア:

[(1, 31100940), (2, 15550470), (3, 10366980), (4, 7775235), (5, 6220188), (6, 5183490), (9, 3455660), (10, 3110094), (12, 2591745), (13, 2392380), (15, 2073396), (18, 1727830), (20, 1555047), (26, 1196190), (30, 1036698), (36, 863915), (39, 797460), (45, 691132), (52, 598095), (60, 518349), (65, 478476), (78, 398730), (90, 345566), (117, 265820), (130, 239238), (156, 199365), (180, 172783), (195, 159492), (234, 132910), (260, 119619), (390, 79746), (468, 66455), (585, 53164), (780, 39873), (1170, 26582), (2340, 13291)]