7221280

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{373}}^1$

素因数の和:410

約数の個数: 72

約数和(自身を含む): 18802476

約数和(自身を除く): 11581196

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 373, 440, 484, 605, 746, 880, 968, 1210, 1492, 1760, 1865, 1936, 2420, 2984, 3730, 3872, 4103, 4840, 5968, 7460, 8206, 9680, 11936, 14920, 16412, 19360, 20515, 29840, 32824, 41030, 45133, 59680, 65648, 82060, 90266, 131296, 164120, 180532, 225665, 328240, 361064, 451330, 656480, 722128, 902660, 1444256, 1805320, 3610640, 7221280]

約数ペア:

[(1, 7221280), (2, 3610640), (4, 1805320), (5, 1444256), (8, 902660), (10, 722128), (11, 656480), (16, 451330), (20, 361064), (22, 328240), (32, 225665), (40, 180532), (44, 164120), (55, 131296), (80, 90266), (88, 82060), (110, 65648), (121, 59680), (160, 45133), (176, 41030), (220, 32824), (242, 29840), (352, 20515), (373, 19360), (440, 16412), (484, 14920), (605, 11936), (746, 9680), (880, 8206), (968, 7460), (1210, 5968), (1492, 4840), (1760, 4103), (1865, 3872), (1936, 3730), (2420, 2984)]