120521180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{787}}^1$

素因数の和:859

約数の個数: 96

約数和(自身を含む): 296540160

約数和(自身を除く): 176018980

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 31, 38, 52, 62, 65, 76, 95, 124, 130, 155, 190, 247, 260, 310, 380, 403, 494, 589, 620, 787, 806, 988, 1178, 1235, 1574, 1612, 2015, 2356, 2470, 2945, 3148, 3935, 4030, 4940, 5890, 7657, 7870, 8060, 10231, 11780, 14953, 15314, 15740, 20462, 24397, 29906, 30628, 38285, 40924, 48794, 51155, 59812, 74765, 76570, 97588, 102310, 121985, 149530, 153140, 194389, 204620, 243970, 299060, 317161, 388778, 463543, 487940, 634322, 777556, 927086, 971945, 1268644, 1585805, 1854172, 1943890, 2317715, 3171610, 3887780, 4635430, 6026059, 6343220, 9270860, 12052118, 24104236, 30130295, 60260590, 120521180]

約数ペア:

[(1, 120521180), (2, 60260590), (4, 30130295), (5, 24104236), (10, 12052118), (13, 9270860), (19, 6343220), (20, 6026059), (26, 4635430), (31, 3887780), (38, 3171610), (52, 2317715), (62, 1943890), (65, 1854172), (76, 1585805), (95, 1268644), (124, 971945), (130, 927086), (155, 777556), (190, 634322), (247, 487940), (260, 463543), (310, 388778), (380, 317161), (403, 299060), (494, 243970), (589, 204620), (620, 194389), (787, 153140), (806, 149530), (988, 121985), (1178, 102310), (1235, 97588), (1574, 76570), (1612, 74765), (2015, 59812), (2356, 51155), (2470, 48794), (2945, 40924), (3148, 38285), (3935, 30628), (4030, 29906), (4940, 24397), (5890, 20462), (7657, 15740), (7870, 15314), (8060, 14953), (10231, 11780)]