81907600

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1$

素因数の和:377

約数の個数: 120

約数和(自身を含む): 213111360

約数和(自身を除く): 131203760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 29, 40, 46, 50, 58, 80, 92, 100, 115, 116, 145, 184, 200, 230, 232, 290, 307, 368, 400, 460, 464, 575, 580, 614, 667, 725, 920, 1150, 1160, 1228, 1334, 1450, 1535, 1840, 2300, 2320, 2456, 2668, 2900, 3070, 3335, 4600, 4912, 5336, 5800, 6140, 6670, 7061, 7675, 8903, 9200, 10672, 11600, 12280, 13340, 14122, 15350, 16675, 17806, 24560, 26680, 28244, 30700, 33350, 35305, 35612, 44515, 53360, 56488, 61400, 66700, 70610, 71224, 89030, 112976, 122800, 133400, 141220, 142448, 176525, 178060, 204769, 222575, 266800, 282440, 353050, 356120, 409538, 445150, 564880, 706100, 712240, 819076, 890300, 1023845, 1412200, 1638152, 1780600, 2047690, 2824400, 3276304, 3561200, 4095380, 5119225, 8190760, 10238450, 16381520, 20476900, 40953800, 81907600]

約数ペア:

[(1, 81907600), (2, 40953800), (4, 20476900), (5, 16381520), (8, 10238450), (10, 8190760), (16, 5119225), (20, 4095380), (23, 3561200), (25, 3276304), (29, 2824400), (40, 2047690), (46, 1780600), (50, 1638152), (58, 1412200), (80, 1023845), (92, 890300), (100, 819076), (115, 712240), (116, 706100), (145, 564880), (184, 445150), (200, 409538), (230, 356120), (232, 353050), (290, 282440), (307, 266800), (368, 222575), (400, 204769), (460, 178060), (464, 176525), (575, 142448), (580, 141220), (614, 133400), (667, 122800), (725, 112976), (920, 89030), (1150, 71224), (1160, 70610), (1228, 66700), (1334, 61400), (1450, 56488), (1535, 53360), (1840, 44515), (2300, 35612), (2320, 35305), (2456, 33350), (2668, 30700), (2900, 28244), (3070, 26680), (3335, 24560), (4600, 17806), (4912, 16675), (5336, 15350), (5800, 14122), (6140, 13340), (6670, 12280), (7061, 11600), (7675, 10672), (8903, 9200)]