999120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:220

約数の個数: 80

約数和(自身を含む): 3249792

約数和(自身を除く): 2250672

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 181, 184, 230, 240, 276, 345, 362, 368, 460, 543, 552, 690, 724, 905, 920, 1086, 1104, 1380, 1448, 1810, 1840, 2172, 2715, 2760, 2896, 3620, 4163, 4344, 5430, 5520, 7240, 8326, 8688, 10860, 12489, 14480, 16652, 20815, 21720, 24978, 33304, 41630, 43440, 49956, 62445, 66608, 83260, 99912, 124890, 166520, 199824, 249780, 333040, 499560, 999120]

約数ペア:

[(1, 999120), (2, 499560), (3, 333040), (4, 249780), (5, 199824), (6, 166520), (8, 124890), (10, 99912), (12, 83260), (15, 66608), (16, 62445), (20, 49956), (23, 43440), (24, 41630), (30, 33304), (40, 24978), (46, 21720), (48, 20815), (60, 16652), (69, 14480), (80, 12489), (92, 10860), (115, 8688), (120, 8326), (138, 7240), (181, 5520), (184, 5430), (230, 4344), (240, 4163), (276, 3620), (345, 2896), (362, 2760), (368, 2715), (460, 2172), (543, 1840), (552, 1810), (690, 1448), (724, 1380), (905, 1104), (920, 1086)]