1240680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{211}}^1$

素因数の和:239

約数の個数: 96

約数和(自身を含む): 4350240

約数和(自身を除く): 3109560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 211, 245, 280, 294, 392, 420, 422, 490, 588, 633, 735, 840, 844, 980, 1055, 1176, 1266, 1470, 1477, 1688, 1960, 2110, 2532, 2940, 2954, 3165, 4220, 4431, 5064, 5880, 5908, 6330, 7385, 8440, 8862, 10339, 11816, 12660, 14770, 17724, 20678, 22155, 25320, 29540, 31017, 35448, 41356, 44310, 51695, 59080, 62034, 82712, 88620, 103390, 124068, 155085, 177240, 206780, 248136, 310170, 413560, 620340, 1240680]

約数ペア:

[(1, 1240680), (2, 620340), (3, 413560), (4, 310170), (5, 248136), (6, 206780), (7, 177240), (8, 155085), (10, 124068), (12, 103390), (14, 88620), (15, 82712), (20, 62034), (21, 59080), (24, 51695), (28, 44310), (30, 41356), (35, 35448), (40, 31017), (42, 29540), (49, 25320), (56, 22155), (60, 20678), (70, 17724), (84, 14770), (98, 12660), (105, 11816), (120, 10339), (140, 8862), (147, 8440), (168, 7385), (196, 6330), (210, 5908), (211, 5880), (245, 5064), (280, 4431), (294, 4220), (392, 3165), (420, 2954), (422, 2940), (490, 2532), (588, 2110), (633, 1960), (735, 1688), (840, 1477), (844, 1470), (980, 1266), (1055, 1176)]