15506920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2711}}^1$

素因数の和:2746

約数の個数: 64

約数和(自身を含む): 41005440

約数和(自身を除く): 25498520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2711, 2860, 5422, 5720, 10844, 13555, 21688, 27110, 29821, 35243, 54220, 59642, 70486, 108440, 119284, 140972, 149105, 176215, 238568, 281944, 298210, 352430, 387673, 596420, 704860, 775346, 1192840, 1409720, 1550692, 1938365, 3101384, 3876730, 7753460, 15506920]

約数ペア:

[(1, 15506920), (2, 7753460), (4, 3876730), (5, 3101384), (8, 1938365), (10, 1550692), (11, 1409720), (13, 1192840), (20, 775346), (22, 704860), (26, 596420), (40, 387673), (44, 352430), (52, 298210), (55, 281944), (65, 238568), (88, 176215), (104, 149105), (110, 140972), (130, 119284), (143, 108440), (220, 70486), (260, 59642), (286, 54220), (440, 35243), (520, 29821), (572, 27110), (715, 21688), (1144, 13555), (1430, 10844), (2711, 5720), (2860, 5422)]