308705440

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{571}}^1$

素因数の和:726

約数の個数: 96

約数和(自身を含む): 761080320

約数和(自身を除く): 452374880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 109, 124, 155, 160, 218, 248, 310, 436, 496, 545, 571, 620, 872, 992, 1090, 1142, 1240, 1744, 2180, 2284, 2480, 2855, 3379, 3488, 4360, 4568, 4960, 5710, 6758, 8720, 9136, 11420, 13516, 16895, 17440, 17701, 18272, 22840, 27032, 33790, 35402, 45680, 54064, 62239, 67580, 70804, 88505, 91360, 108128, 124478, 135160, 141608, 177010, 248956, 270320, 283216, 311195, 354020, 497912, 540640, 566432, 622390, 708040, 995824, 1244780, 1416080, 1929409, 1991648, 2489560, 2832160, 3858818, 4979120, 7717636, 9647045, 9958240, 15435272, 19294090, 30870544, 38588180, 61741088, 77176360, 154352720, 308705440]

約数ペア:

[(1, 308705440), (2, 154352720), (4, 77176360), (5, 61741088), (8, 38588180), (10, 30870544), (16, 19294090), (20, 15435272), (31, 9958240), (32, 9647045), (40, 7717636), (62, 4979120), (80, 3858818), (109, 2832160), (124, 2489560), (155, 1991648), (160, 1929409), (218, 1416080), (248, 1244780), (310, 995824), (436, 708040), (496, 622390), (545, 566432), (571, 540640), (620, 497912), (872, 354020), (992, 311195), (1090, 283216), (1142, 270320), (1240, 248956), (1744, 177010), (2180, 141608), (2284, 135160), (2480, 124478), (2855, 108128), (3379, 91360), (3488, 88505), (4360, 70804), (4568, 67580), (4960, 62239), (5710, 54064), (6758, 45680), (8720, 35402), (9136, 33790), (11420, 27032), (13516, 22840), (16895, 18272), (17440, 17701)]