74955520

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1889}}^1$

素因数の和:1941

約数の個数: 72

約数和(自身を含む): 185431680

約数和(自身を除く): 110476160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1889, 1984, 2480, 3778, 3968, 4960, 7556, 7936, 9445, 9920, 15112, 18890, 19840, 30224, 37780, 39680, 58559, 60448, 75560, 117118, 120896, 151120, 234236, 241792, 292795, 302240, 468472, 483584, 585590, 604480, 936944, 1171180, 1208960, 1873888, 2342360, 2417920, 3747776, 4684720, 7495552, 9369440, 14991104, 18738880, 37477760, 74955520]

約数ペア:

[(1, 74955520), (2, 37477760), (4, 18738880), (5, 14991104), (8, 9369440), (10, 7495552), (16, 4684720), (20, 3747776), (31, 2417920), (32, 2342360), (40, 1873888), (62, 1208960), (64, 1171180), (80, 936944), (124, 604480), (128, 585590), (155, 483584), (160, 468472), (248, 302240), (256, 292795), (310, 241792), (320, 234236), (496, 151120), (620, 120896), (640, 117118), (992, 75560), (1240, 60448), (1280, 58559), (1889, 39680), (1984, 37780), (2480, 30224), (3778, 19840), (3968, 18890), (4960, 15112), (7556, 9920), (7936, 9445)]