280069140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{359063}}^1$

素因数の和:359088

約数の個数: 48

約数和(自身を含む): 844518528

約数和(自身を除く): 564449388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 359063, 718126, 1077189, 1436252, 1795315, 2154378, 3590630, 4308756, 4667819, 5385945, 7181260, 9335638, 10771890, 14003457, 18671276, 21543780, 23339095, 28006914, 46678190, 56013828, 70017285, 93356380, 140034570, 280069140]

約数ペア:

[(1, 280069140), (2, 140034570), (3, 93356380), (4, 70017285), (5, 56013828), (6, 46678190), (10, 28006914), (12, 23339095), (13, 21543780), (15, 18671276), (20, 14003457), (26, 10771890), (30, 9335638), (39, 7181260), (52, 5385945), (60, 4667819), (65, 4308756), (78, 3590630), (130, 2154378), (156, 1795315), (195, 1436252), (260, 1077189), (390, 718126), (780, 359063)]