1971461520

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{391163}}^1$

素因数の和:391189

約数の個数: 120

約数和(自身を含む): 7566676416

約数和(自身を除く): 5595214896

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 391163, 782326, 1173489, 1564652, 1955815, 2346978, 2738141, 3129304, 3520467, 3911630, 4693956, 5476282, 5867445, 6258608, 7040934, 7823260, 8214423, 9387912, 10952564, 11734890, 13690705, 14081868, 15646520, 16428846, 17602335, 18775824, 21905128, 23469780, 24643269, 27381410, 28163736, 31293040, 32857692, 35204670, 41072115, 43810256, 46939560, 49286538, 54762820, 56327472, 65715384, 70409340, 82144230, 93879120, 98573076, 109525640, 123216345, 131430768, 140818680, 164288460, 197146152, 219051280, 246432690, 281637360, 328576920, 394292304, 492865380, 657153840, 985730760, 1971461520]

約数ペア:

[(1, 1971461520), (2, 985730760), (3, 657153840), (4, 492865380), (5, 394292304), (6, 328576920), (7, 281637360), (8, 246432690), (9, 219051280), (10, 197146152), (12, 164288460), (14, 140818680), (15, 131430768), (16, 123216345), (18, 109525640), (20, 98573076), (21, 93879120), (24, 82144230), (28, 70409340), (30, 65715384), (35, 56327472), (36, 54762820), (40, 49286538), (42, 46939560), (45, 43810256), (48, 41072115), (56, 35204670), (60, 32857692), (63, 31293040), (70, 28163736), (72, 27381410), (80, 24643269), (84, 23469780), (90, 21905128), (105, 18775824), (112, 17602335), (120, 16428846), (126, 15646520), (140, 14081868), (144, 13690705), (168, 11734890), (180, 10952564), (210, 9387912), (240, 8214423), (252, 7823260), (280, 7040934), (315, 6258608), (336, 5867445), (360, 5476282), (420, 4693956), (504, 3911630), (560, 3520467), (630, 3129304), (720, 2738141), (840, 2346978), (1008, 1955815), (1260, 1564652), (1680, 1173489), (2520, 782326), (5040, 391163)]