61288240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1901}}^1$

素因数の和:1958

約数の個数: 80

約数和(自身を含む): 158489856

約数和(自身を除く): 97201616

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 1901, 2015, 2480, 3224, 3802, 4030, 6448, 7604, 8060, 9505, 15208, 16120, 19010, 24713, 30416, 32240, 38020, 49426, 58931, 76040, 98852, 117862, 123565, 152080, 197704, 235724, 247130, 294655, 395408, 471448, 494260, 589310, 766103, 942896, 988520, 1178620, 1532206, 1977040, 2357240, 3064412, 3830515, 4714480, 6128824, 7661030, 12257648, 15322060, 30644120, 61288240]

約数ペア:

[(1, 61288240), (2, 30644120), (4, 15322060), (5, 12257648), (8, 7661030), (10, 6128824), (13, 4714480), (16, 3830515), (20, 3064412), (26, 2357240), (31, 1977040), (40, 1532206), (52, 1178620), (62, 988520), (65, 942896), (80, 766103), (104, 589310), (124, 494260), (130, 471448), (155, 395408), (208, 294655), (248, 247130), (260, 235724), (310, 197704), (403, 152080), (496, 123565), (520, 117862), (620, 98852), (806, 76040), (1040, 58931), (1240, 49426), (1612, 38020), (1901, 32240), (2015, 30416), (2480, 24713), (3224, 19010), (3802, 16120), (4030, 15208), (6448, 9505), (7604, 8060)]