31715656440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20330549}}^1$

素因数の和:20330576

約数の個数: 64

約数和(自身を含む): 102465972000

約数和(自身を除く): 70750315560

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, 20330549, 40661098, 60991647, 81322196, 101652745, 121983294, 162644392, 203305490, 243966588, 264297137, 304958235, 406610980, 487933176, 528594274, 609916470, 792891411, 813221960, 1057188548, 1219832940, 1321485685, 1585782822, 2114377096, 2439665880, 2642971370, 3171565644, 3964457055, 5285942740, 6343131288, 7928914110, 10571885480, 15857828220, 31715656440]

約数ペア:

[(1, 31715656440), (2, 15857828220), (3, 10571885480), (4, 7928914110), (5, 6343131288), (6, 5285942740), (8, 3964457055), (10, 3171565644), (12, 2642971370), (13, 2439665880), (15, 2114377096), (20, 1585782822), (24, 1321485685), (26, 1219832940), (30, 1057188548), (39, 813221960), (40, 792891411), (52, 609916470), (60, 528594274), (65, 487933176), (78, 406610980), (104, 304958235), (120, 264297137), (130, 243966588), (156, 203305490), (195, 162644392), (260, 121983294), (312, 101652745), (390, 81322196), (520, 60991647), (780, 40661098), (1560, 20330549)]