121802720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1889}}^1$

素因数の和:1948

約数の個数: 96

約数和(自身を含む): 320060160

約数和(自身を除く): 198257440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 403, 416, 496, 520, 620, 806, 992, 1040, 1240, 1612, 1889, 2015, 2080, 2480, 3224, 3778, 4030, 4960, 6448, 7556, 8060, 9445, 12896, 15112, 16120, 18890, 24557, 30224, 32240, 37780, 49114, 58559, 60448, 64480, 75560, 98228, 117118, 122785, 151120, 196456, 234236, 245570, 292795, 302240, 392912, 468472, 491140, 585590, 761267, 785824, 936944, 982280, 1171180, 1522534, 1873888, 1964560, 2342360, 3045068, 3806335, 3929120, 4684720, 6090136, 7612670, 9369440, 12180272, 15225340, 24360544, 30450680, 60901360, 121802720]

約数ペア:

[(1, 121802720), (2, 60901360), (4, 30450680), (5, 24360544), (8, 15225340), (10, 12180272), (13, 9369440), (16, 7612670), (20, 6090136), (26, 4684720), (31, 3929120), (32, 3806335), (40, 3045068), (52, 2342360), (62, 1964560), (65, 1873888), (80, 1522534), (104, 1171180), (124, 982280), (130, 936944), (155, 785824), (160, 761267), (208, 585590), (248, 491140), (260, 468472), (310, 392912), (403, 302240), (416, 292795), (496, 245570), (520, 234236), (620, 196456), (806, 151120), (992, 122785), (1040, 117118), (1240, 98228), (1612, 75560), (1889, 64480), (2015, 60448), (2080, 58559), (2480, 49114), (3224, 37780), (3778, 32240), (4030, 30224), (4960, 24557), (6448, 18890), (7556, 16120), (8060, 15112), (9445, 12896)]