309589040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{11981}}^1$

素因数の和:12030

約数の個数: 80

約数和(自身を含む): 802314720

約数和(自身を除く): 492725680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 272, 304, 323, 340, 380, 646, 680, 760, 1292, 1360, 1520, 1615, 2584, 3230, 5168, 6460, 11981, 12920, 23962, 25840, 47924, 59905, 95848, 119810, 191696, 203677, 227639, 239620, 407354, 455278, 479240, 814708, 910556, 958480, 1018385, 1138195, 1629416, 1821112, 2036770, 2276390, 3258832, 3642224, 3869863, 4073540, 4552780, 7739726, 8147080, 9105560, 15479452, 16294160, 18211120, 19349315, 30958904, 38698630, 61917808, 77397260, 154794520, 309589040]

約数ペア:

[(1, 309589040), (2, 154794520), (4, 77397260), (5, 61917808), (8, 38698630), (10, 30958904), (16, 19349315), (17, 18211120), (19, 16294160), (20, 15479452), (34, 9105560), (38, 8147080), (40, 7739726), (68, 4552780), (76, 4073540), (80, 3869863), (85, 3642224), (95, 3258832), (136, 2276390), (152, 2036770), (170, 1821112), (190, 1629416), (272, 1138195), (304, 1018385), (323, 958480), (340, 910556), (380, 814708), (646, 479240), (680, 455278), (760, 407354), (1292, 239620), (1360, 227639), (1520, 203677), (1615, 191696), (2584, 119810), (3230, 95848), (5168, 59905), (6460, 47924), (11981, 25840), (12920, 23962)]