74720412

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:192

約数の個数: 144

約数和(自身を含む): 215255040

約数和(自身を除く): 140534628

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 47, 52, 78, 79, 86, 94, 117, 129, 141, 156, 158, 172, 188, 234, 237, 258, 282, 316, 387, 423, 468, 474, 516, 559, 564, 611, 711, 774, 846, 948, 1027, 1118, 1222, 1422, 1548, 1677, 1692, 1833, 2021, 2054, 2236, 2444, 2844, 3081, 3354, 3397, 3666, 3713, 4042, 4108, 5031, 5499, 6063, 6162, 6708, 6794, 7332, 7426, 8084, 9243, 10062, 10191, 10998, 11139, 12126, 12324, 13588, 14852, 18189, 18486, 20124, 20382, 21996, 22278, 24252, 26273, 30573, 33417, 36378, 36972, 40764, 44161, 44556, 48269, 52546, 61146, 66834, 72756, 78819, 88322, 96538, 105092, 122292, 132483, 133668, 144807, 157638, 159659, 176644, 193076, 236457, 264966, 289614, 315276, 319318, 397449, 434421, 472914, 478977, 529932, 579228, 638636, 794898, 868842, 945828, 957954, 1436931, 1589796, 1737684, 1915908, 2075567, 2873862, 4151134, 5747724, 6226701, 8302268, 12453402, 18680103, 24906804, 37360206, 74720412]

約数ペア:

[(1, 74720412), (2, 37360206), (3, 24906804), (4, 18680103), (6, 12453402), (9, 8302268), (12, 6226701), (13, 5747724), (18, 4151134), (26, 2873862), (36, 2075567), (39, 1915908), (43, 1737684), (47, 1589796), (52, 1436931), (78, 957954), (79, 945828), (86, 868842), (94, 794898), (117, 638636), (129, 579228), (141, 529932), (156, 478977), (158, 472914), (172, 434421), (188, 397449), (234, 319318), (237, 315276), (258, 289614), (282, 264966), (316, 236457), (387, 193076), (423, 176644), (468, 159659), (474, 157638), (516, 144807), (559, 133668), (564, 132483), (611, 122292), (711, 105092), (774, 96538), (846, 88322), (948, 78819), (1027, 72756), (1118, 66834), (1222, 61146), (1422, 52546), (1548, 48269), (1677, 44556), (1692, 44161), (1833, 40764), (2021, 36972), (2054, 36378), (2236, 33417), (2444, 30573), (2844, 26273), (3081, 24252), (3354, 22278), (3397, 21996), (3666, 20382), (3713, 20124), (4042, 18486), (4108, 18189), (5031, 14852), (5499, 13588), (6063, 12324), (6162, 12126), (6708, 11139), (6794, 10998), (7332, 10191), (7426, 10062), (8084, 9243)]