163409240

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1\times {\mathrm{347}}^1$

素因数の和:612

約数の個数: 64

約数和(自身を含む): 376716960

約数和(自身を除く): 213307720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 193, 244, 305, 347, 386, 488, 610, 694, 772, 965, 1220, 1388, 1544, 1735, 1930, 2440, 2776, 3470, 3860, 6940, 7720, 11773, 13880, 21167, 23546, 42334, 47092, 58865, 66971, 84668, 94184, 105835, 117730, 133942, 169336, 211670, 235460, 267884, 334855, 423340, 470920, 535768, 669710, 846680, 1339420, 2678840, 4085231, 8170462, 16340924, 20426155, 32681848, 40852310, 81704620, 163409240]

約数ペア:

[(1, 163409240), (2, 81704620), (4, 40852310), (5, 32681848), (8, 20426155), (10, 16340924), (20, 8170462), (40, 4085231), (61, 2678840), (122, 1339420), (193, 846680), (244, 669710), (305, 535768), (347, 470920), (386, 423340), (488, 334855), (610, 267884), (694, 235460), (772, 211670), (965, 169336), (1220, 133942), (1388, 117730), (1544, 105835), (1735, 94184), (1930, 84668), (2440, 66971), (2776, 58865), (3470, 47092), (3860, 42334), (6940, 23546), (7720, 21167), (11773, 13880)]