42508980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1699}}^1$

素因数の和:1853

約数の個数: 72

約数和(自身を含む): 129948000

約数和(自身を除く): 87439020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1668, 1699, 2085, 2502, 2780, 3398, 4170, 5004, 5097, 6255, 6796, 8340, 8495, 10194, 12510, 15291, 16990, 20388, 25020, 25485, 30582, 33980, 50970, 61164, 76455, 101940, 152910, 236161, 305820, 472322, 708483, 944644, 1180805, 1416966, 2125449, 2361610, 2833932, 3542415, 4250898, 4723220, 7084830, 8501796, 10627245, 14169660, 21254490, 42508980]

約数ペア:

[(1, 42508980), (2, 21254490), (3, 14169660), (4, 10627245), (5, 8501796), (6, 7084830), (9, 4723220), (10, 4250898), (12, 3542415), (15, 2833932), (18, 2361610), (20, 2125449), (30, 1416966), (36, 1180805), (45, 944644), (60, 708483), (90, 472322), (139, 305820), (180, 236161), (278, 152910), (417, 101940), (556, 76455), (695, 61164), (834, 50970), (1251, 33980), (1390, 30582), (1668, 25485), (1699, 25020), (2085, 20388), (2502, 16990), (2780, 15291), (3398, 12510), (4170, 10194), (5004, 8495), (5097, 8340), (6255, 6796)]