90100980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6857}}^1$

素因数の和:6945

約数の個数: 72

約数和(自身を含む): 277090632

約数和(自身を除く): 186989652

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 73, 90, 146, 180, 219, 292, 365, 438, 657, 730, 876, 1095, 1314, 1460, 2190, 2628, 3285, 4380, 6570, 6857, 13140, 13714, 20571, 27428, 34285, 41142, 61713, 68570, 82284, 102855, 123426, 137140, 205710, 246852, 308565, 411420, 500561, 617130, 1001122, 1234260, 1501683, 2002244, 2502805, 3003366, 4505049, 5005610, 6006732, 7508415, 9010098, 10011220, 15016830, 18020196, 22525245, 30033660, 45050490, 90100980]

約数ペア:

[(1, 90100980), (2, 45050490), (3, 30033660), (4, 22525245), (5, 18020196), (6, 15016830), (9, 10011220), (10, 9010098), (12, 7508415), (15, 6006732), (18, 5005610), (20, 4505049), (30, 3003366), (36, 2502805), (45, 2002244), (60, 1501683), (73, 1234260), (90, 1001122), (146, 617130), (180, 500561), (219, 411420), (292, 308565), (365, 246852), (438, 205710), (657, 137140), (730, 123426), (876, 102855), (1095, 82284), (1314, 68570), (1460, 61713), (2190, 41142), (2628, 34285), (3285, 27428), (4380, 20571), (6570, 13714), (6857, 13140)]