12678900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3251}}^1$

素因数の和:3281

約数の個数: 72

約数和(自身を含む): 39518304

約数和(自身を除く): 26839404

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3251, 3900, 6502, 9753, 13004, 16255, 19506, 32510, 39012, 42263, 48765, 65020, 81275, 84526, 97530, 126789, 162550, 169052, 195060, 211315, 243825, 253578, 325100, 422630, 487650, 507156, 633945, 845260, 975300, 1056575, 1267890, 2113150, 2535780, 3169725, 4226300, 6339450, 12678900]

約数ペア:

[(1, 12678900), (2, 6339450), (3, 4226300), (4, 3169725), (5, 2535780), (6, 2113150), (10, 1267890), (12, 1056575), (13, 975300), (15, 845260), (20, 633945), (25, 507156), (26, 487650), (30, 422630), (39, 325100), (50, 253578), (52, 243825), (60, 211315), (65, 195060), (75, 169052), (78, 162550), (100, 126789), (130, 97530), (150, 84526), (156, 81275), (195, 65020), (260, 48765), (300, 42263), (325, 39012), (390, 32510), (650, 19506), (780, 16255), (975, 13004), (1300, 9753), (1950, 6502), (3251, 3900)]