128019380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:233

約数の個数: 96

約数和(自身を含む): 293932800

約数和(自身を除く): 165913420

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 53, 59, 89, 92, 106, 115, 118, 178, 212, 230, 236, 265, 295, 356, 445, 460, 530, 590, 890, 1060, 1180, 1219, 1357, 1780, 2047, 2438, 2714, 3127, 4094, 4717, 4876, 5251, 5428, 6095, 6254, 6785, 8188, 9434, 10235, 10502, 12190, 12508, 13570, 15635, 18868, 20470, 21004, 23585, 24380, 26255, 27140, 31270, 40940, 47170, 52510, 62540, 71921, 94340, 105020, 108491, 120773, 143842, 216982, 241546, 278303, 287684, 359605, 433964, 483092, 542455, 556606, 603865, 719210, 1084910, 1113212, 1207730, 1391515, 1438420, 2169820, 2415460, 2783030, 5566060, 6400969, 12801938, 25603876, 32004845, 64009690, 128019380]

約数ペア:

[(1, 128019380), (2, 64009690), (4, 32004845), (5, 25603876), (10, 12801938), (20, 6400969), (23, 5566060), (46, 2783030), (53, 2415460), (59, 2169820), (89, 1438420), (92, 1391515), (106, 1207730), (115, 1113212), (118, 1084910), (178, 719210), (212, 603865), (230, 556606), (236, 542455), (265, 483092), (295, 433964), (356, 359605), (445, 287684), (460, 278303), (530, 241546), (590, 216982), (890, 143842), (1060, 120773), (1180, 108491), (1219, 105020), (1357, 94340), (1780, 71921), (2047, 62540), (2438, 52510), (2714, 47170), (3127, 40940), (4094, 31270), (4717, 27140), (4876, 26255), (5251, 24380), (5428, 23585), (6095, 21004), (6254, 20470), (6785, 18868), (8188, 15635), (9434, 13570), (10235, 12508), (10502, 12190)]