320810880

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12853}}^1$

素因数の和:12888

約数の個数: 128

約数和(自身を含む): 1101330720

約数和(自身を除く): 780519840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 3120, 4160, 4992, 6240, 8320, 12480, 12853, 24960, 25706, 38559, 51412, 64265, 77118, 102824, 128530, 154236, 167089, 192795, 205648, 257060, 308472, 334178, 385590, 411296, 501267, 514120, 616944, 668356, 771180, 822592, 835445, 1002534, 1028240, 1233888, 1336712, 1542360, 1645184, 1670890, 2005068, 2056480, 2467776, 2506335, 2673424, 3084720, 3341780, 4010136, 4112960, 4935552, 5012670, 5346848, 6169440, 6683560, 8020272, 8225920, 10025340, 10693696, 12338880, 13367120, 16040544, 20050680, 21387392, 24677760, 26734240, 32081088, 40101360, 53468480, 64162176, 80202720, 106936960, 160405440, 320810880]

約数ペア:

[(1, 320810880), (2, 160405440), (3, 106936960), (4, 80202720), (5, 64162176), (6, 53468480), (8, 40101360), (10, 32081088), (12, 26734240), (13, 24677760), (15, 21387392), (16, 20050680), (20, 16040544), (24, 13367120), (26, 12338880), (30, 10693696), (32, 10025340), (39, 8225920), (40, 8020272), (48, 6683560), (52, 6169440), (60, 5346848), (64, 5012670), (65, 4935552), (78, 4112960), (80, 4010136), (96, 3341780), (104, 3084720), (120, 2673424), (128, 2506335), (130, 2467776), (156, 2056480), (160, 2005068), (192, 1670890), (195, 1645184), (208, 1542360), (240, 1336712), (260, 1233888), (312, 1028240), (320, 1002534), (384, 835445), (390, 822592), (416, 771180), (480, 668356), (520, 616944), (624, 514120), (640, 501267), (780, 411296), (832, 385590), (960, 334178), (1040, 308472), (1248, 257060), (1560, 205648), (1664, 192795), (1920, 167089), (2080, 154236), (2496, 128530), (3120, 102824), (4160, 77118), (4992, 64265), (6240, 51412), (8320, 38559), (12480, 25706), (12853, 24960)]