181775120

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{193}}^2$

素因数の和:460

約数の個数: 60

約数和(自身を含む): 431792676

約数和(自身を除く): 250017556

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 193, 244, 305, 386, 488, 610, 772, 965, 976, 1220, 1544, 1930, 2440, 3088, 3860, 4880, 7720, 11773, 15440, 23546, 37249, 47092, 58865, 74498, 94184, 117730, 148996, 186245, 188368, 235460, 297992, 372490, 470920, 595984, 744980, 941840, 1489960, 2272189, 2979920, 4544378, 9088756, 11360945, 18177512, 22721890, 36355024, 45443780, 90887560, 181775120]

約数ペア:

[(1, 181775120), (2, 90887560), (4, 45443780), (5, 36355024), (8, 22721890), (10, 18177512), (16, 11360945), (20, 9088756), (40, 4544378), (61, 2979920), (80, 2272189), (122, 1489960), (193, 941840), (244, 744980), (305, 595984), (386, 470920), (488, 372490), (610, 297992), (772, 235460), (965, 188368), (976, 186245), (1220, 148996), (1544, 117730), (1930, 94184), (2440, 74498), (3088, 58865), (3860, 47092), (4880, 37249), (7720, 23546), (11773, 15440)]