68754280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^2$

素因数の和:227

約数の個数: 96

約数和(自身を含む): 184573440

約数和(自身を除く): 115819160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 89, 124, 140, 155, 178, 217, 248, 280, 310, 356, 434, 445, 620, 623, 712, 868, 890, 1085, 1240, 1246, 1736, 1780, 2170, 2492, 2759, 3115, 3560, 4340, 4984, 5518, 6230, 7921, 8680, 11036, 12460, 13795, 15842, 19313, 22072, 24920, 27590, 31684, 38626, 39605, 55180, 55447, 63368, 77252, 79210, 96565, 110360, 110894, 154504, 158420, 193130, 221788, 245551, 277235, 316840, 386260, 443576, 491102, 554470, 772520, 982204, 1108940, 1227755, 1718857, 1964408, 2217880, 2455510, 3437714, 4911020, 6875428, 8594285, 9822040, 13750856, 17188570, 34377140, 68754280]

約数ペア:

[(1, 68754280), (2, 34377140), (4, 17188570), (5, 13750856), (7, 9822040), (8, 8594285), (10, 6875428), (14, 4911020), (20, 3437714), (28, 2455510), (31, 2217880), (35, 1964408), (40, 1718857), (56, 1227755), (62, 1108940), (70, 982204), (89, 772520), (124, 554470), (140, 491102), (155, 443576), (178, 386260), (217, 316840), (248, 277235), (280, 245551), (310, 221788), (356, 193130), (434, 158420), (445, 154504), (620, 110894), (623, 110360), (712, 96565), (868, 79210), (890, 77252), (1085, 63368), (1240, 55447), (1246, 55180), (1736, 39605), (1780, 38626), (2170, 31684), (2492, 27590), (2759, 24920), (3115, 22072), (3560, 19313), (4340, 15842), (4984, 13795), (5518, 12460), (6230, 11036), (7921, 8680)]