42780990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1487}}^1$

素因数の和:1641

約数の個数: 64

約数和(自身を含む): 118278144

約数和(自身を除く): 75497154

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 137, 210, 274, 411, 685, 822, 959, 1370, 1487, 1918, 2055, 2877, 2974, 4110, 4461, 4795, 5754, 7435, 8922, 9590, 10409, 14385, 14870, 20818, 22305, 28770, 31227, 44610, 52045, 62454, 104090, 156135, 203719, 312270, 407438, 611157, 1018595, 1222314, 1426033, 2037190, 2852066, 3055785, 4278099, 6111570, 7130165, 8556198, 14260330, 21390495, 42780990]

約数ペア:

[(1, 42780990), (2, 21390495), (3, 14260330), (5, 8556198), (6, 7130165), (7, 6111570), (10, 4278099), (14, 3055785), (15, 2852066), (21, 2037190), (30, 1426033), (35, 1222314), (42, 1018595), (70, 611157), (105, 407438), (137, 312270), (210, 203719), (274, 156135), (411, 104090), (685, 62454), (822, 52045), (959, 44610), (1370, 31227), (1487, 28770), (1918, 22305), (2055, 20818), (2877, 14870), (2974, 14385), (4110, 10409), (4461, 9590), (4795, 8922), (5754, 7435)]