72307768

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:141

約数の個数: 128

約数和(自身を含む): 168537600

約数和(自身を除く): 96229832

約数列:

[1, 2, 4, 8, 13, 19, 23, 26, 37, 38, 43, 46, 52, 74, 76, 86, 92, 104, 148, 152, 172, 184, 247, 296, 299, 344, 437, 481, 494, 559, 598, 703, 817, 851, 874, 962, 988, 989, 1118, 1196, 1406, 1591, 1634, 1702, 1748, 1924, 1976, 1978, 2236, 2392, 2812, 3182, 3268, 3404, 3496, 3848, 3956, 4472, 5624, 5681, 6364, 6536, 6808, 7912, 9139, 10621, 11063, 11362, 12728, 12857, 16169, 18278, 18791, 20683, 21242, 22126, 22724, 25714, 30229, 32338, 36556, 36593, 37582, 41366, 42484, 44252, 45448, 51428, 60458, 64676, 73112, 73186, 75164, 82732, 84968, 88504, 102856, 120916, 129352, 146372, 150328, 165464, 210197, 241832, 244283, 292744, 392977, 420394, 475709, 488566, 695267, 785954, 840788, 951418, 977132, 1390534, 1571908, 1681576, 1902836, 1954264, 2781068, 3143816, 3805672, 5562136, 9038471, 18076942, 36153884, 72307768]

約数ペア:

[(1, 72307768), (2, 36153884), (4, 18076942), (8, 9038471), (13, 5562136), (19, 3805672), (23, 3143816), (26, 2781068), (37, 1954264), (38, 1902836), (43, 1681576), (46, 1571908), (52, 1390534), (74, 977132), (76, 951418), (86, 840788), (92, 785954), (104, 695267), (148, 488566), (152, 475709), (172, 420394), (184, 392977), (247, 292744), (296, 244283), (299, 241832), (344, 210197), (437, 165464), (481, 150328), (494, 146372), (559, 129352), (598, 120916), (703, 102856), (817, 88504), (851, 84968), (874, 82732), (962, 75164), (988, 73186), (989, 73112), (1118, 64676), (1196, 60458), (1406, 51428), (1591, 45448), (1634, 44252), (1702, 42484), (1748, 41366), (1924, 37582), (1976, 36593), (1978, 36556), (2236, 32338), (2392, 30229), (2812, 25714), (3182, 22724), (3268, 22126), (3404, 21242), (3496, 20683), (3848, 18791), (3956, 18278), (4472, 16169), (5624, 12857), (5681, 12728), (6364, 11362), (6536, 11063), (6808, 10621), (7912, 9139)]