27964085060

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{653}}^1$

素因数の和:966

約数の個数: 144

約数和(自身を含む): 64762951680

約数和(自身を除く): 36798866620

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 239, 289, 310, 340, 478, 527, 578, 620, 653, 956, 1054, 1156, 1195, 1306, 1445, 2108, 2390, 2612, 2635, 2890, 3265, 4063, 4780, 5270, 5780, 6530, 7409, 8126, 8959, 10540, 11101, 13060, 14818, 16252, 17918, 20243, 20315, 22202, 29636, 35836, 37045, 40486, 40630, 44404, 44795, 55505, 69071, 74090, 80972, 81260, 89590, 101215, 111010, 125953, 138142, 148180, 156067, 179180, 188717, 202430, 222020, 251906, 276284, 312134, 344131, 345355, 377434, 404860, 503812, 624268, 629765, 688262, 690710, 754868, 780335, 943585, 1259530, 1376524, 1381420, 1560670, 1720655, 1887170, 2141201, 2519060, 2653139, 3121340, 3441310, 3774340, 4282402, 4838077, 5306278, 5850227, 6882620, 8564804, 9676154, 10612556, 10706005, 11700454, 13265695, 19352308, 21412010, 23400908, 24190385, 26531390, 29251135, 42824020, 45103363, 48380770, 53062780, 58502270, 82247309, 90206726, 96761540, 117004540, 164494618, 180413452, 225516815, 328989236, 411236545, 451033630, 822473090, 902067260, 1398204253, 1644946180, 2796408506, 5592817012, 6991021265, 13982042530, 27964085060]

約数ペア:

[(1, 27964085060), (2, 13982042530), (4, 6991021265), (5, 5592817012), (10, 2796408506), (17, 1644946180), (20, 1398204253), (31, 902067260), (34, 822473090), (62, 451033630), (68, 411236545), (85, 328989236), (124, 225516815), (155, 180413452), (170, 164494618), (239, 117004540), (289, 96761540), (310, 90206726), (340, 82247309), (478, 58502270), (527, 53062780), (578, 48380770), (620, 45103363), (653, 42824020), (956, 29251135), (1054, 26531390), (1156, 24190385), (1195, 23400908), (1306, 21412010), (1445, 19352308), (2108, 13265695), (2390, 11700454), (2612, 10706005), (2635, 10612556), (2890, 9676154), (3265, 8564804), (4063, 6882620), (4780, 5850227), (5270, 5306278), (5780, 4838077), (6530, 4282402), (7409, 3774340), (8126, 3441310), (8959, 3121340), (10540, 2653139), (11101, 2519060), (13060, 2141201), (14818, 1887170), (16252, 1720655), (17918, 1560670), (20243, 1381420), (20315, 1376524), (22202, 1259530), (29636, 943585), (35836, 780335), (37045, 754868), (40486, 690710), (40630, 688262), (44404, 629765), (44795, 624268), (55505, 503812), (69071, 404860), (74090, 377434), (80972, 345355), (81260, 344131), (89590, 312134), (101215, 276284), (111010, 251906), (125953, 222020), (138142, 202430), (148180, 188717), (156067, 179180)]