1551135560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{69371}}^1$

素因数の和:69438

約数の個数: 64

約数和(自身を含む): 3845983680

約数和(自身を除く): 2294848120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 520, 559, 860, 1118, 1720, 2236, 2795, 4472, 5590, 11180, 22360, 69371, 138742, 277484, 346855, 554968, 693710, 901823, 1387420, 1803646, 2774840, 2982953, 3607292, 4509115, 5965906, 7214584, 9018230, 11931812, 14914765, 18036460, 23863624, 29829530, 36072920, 38778389, 59659060, 77556778, 119318120, 155113556, 193891945, 310227112, 387783890, 775567780, 1551135560]

約数ペア:

[(1, 1551135560), (2, 775567780), (4, 387783890), (5, 310227112), (8, 193891945), (10, 155113556), (13, 119318120), (20, 77556778), (26, 59659060), (40, 38778389), (43, 36072920), (52, 29829530), (65, 23863624), (86, 18036460), (104, 14914765), (130, 11931812), (172, 9018230), (215, 7214584), (260, 5965906), (344, 4509115), (430, 3607292), (520, 2982953), (559, 2774840), (860, 1803646), (1118, 1387420), (1720, 901823), (2236, 693710), (2795, 554968), (4472, 346855), (5590, 277484), (11180, 138742), (22360, 69371)]