30644120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1901}}^1$

素因数の和:1956

約数の個数: 64

約数和(自身を含む): 76688640

約数和(自身を除く): 46044520

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, 1901, 2015, 3224, 3802, 4030, 7604, 8060, 9505, 15208, 16120, 19010, 24713, 38020, 49426, 58931, 76040, 98852, 117862, 123565, 197704, 235724, 247130, 294655, 471448, 494260, 589310, 766103, 988520, 1178620, 1532206, 2357240, 3064412, 3830515, 6128824, 7661030, 15322060, 30644120]

約数ペア:

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