166627480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1619}}^1$

素因数の和:1744

約数の個数: 64

約数和(自身を含む): 391910400

約数和(自身を除く): 225282920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 83, 124, 155, 166, 248, 310, 332, 415, 620, 664, 830, 1240, 1619, 1660, 2573, 3238, 3320, 5146, 6476, 8095, 10292, 12865, 12952, 16190, 20584, 25730, 32380, 50189, 51460, 64760, 100378, 102920, 134377, 200756, 250945, 268754, 401512, 501890, 537508, 671885, 1003780, 1075016, 1343770, 2007560, 2687540, 4165687, 5375080, 8331374, 16662748, 20828435, 33325496, 41656870, 83313740, 166627480]

約数ペア:

[(1, 166627480), (2, 83313740), (4, 41656870), (5, 33325496), (8, 20828435), (10, 16662748), (20, 8331374), (31, 5375080), (40, 4165687), (62, 2687540), (83, 2007560), (124, 1343770), (155, 1075016), (166, 1003780), (248, 671885), (310, 537508), (332, 501890), (415, 401512), (620, 268754), (664, 250945), (830, 200756), (1240, 134377), (1619, 102920), (1660, 100378), (2573, 64760), (3238, 51460), (3320, 50189), (5146, 32380), (6476, 25730), (8095, 20584), (10292, 16190), (12865, 12952)]