1221847640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{75797}}^1$

素因数の和:75852

約数の個数: 64

約数和(自身を含む): 3056175360

約数和(自身を除く): 1834327720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 16120, 75797, 151594, 303188, 378985, 606376, 757970, 985361, 1515940, 1970722, 2349707, 3031880, 3941444, 4699414, 4926805, 7882888, 9398828, 9853610, 11748535, 18797656, 19707220, 23497070, 30546191, 39414440, 46994140, 61092382, 93988280, 122184764, 152730955, 244369528, 305461910, 610923820, 1221847640]

約数ペア:

[(1, 1221847640), (2, 610923820), (4, 305461910), (5, 244369528), (8, 152730955), (10, 122184764), (13, 93988280), (20, 61092382), (26, 46994140), (31, 39414440), (40, 30546191), (52, 23497070), (62, 19707220), (65, 18797656), (104, 11748535), (124, 9853610), (130, 9398828), (155, 7882888), (248, 4926805), (260, 4699414), (310, 3941444), (403, 3031880), (520, 2349707), (620, 1970722), (806, 1515940), (1240, 985361), (1612, 757970), (2015, 606376), (3224, 378985), (4030, 303188), (8060, 151594), (16120, 75797)]