71408560

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^2$

素因数の和:430

約数の個数: 60

約数和(自身を含む): 174127248

約数和(自身を除く): 102718688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 197, 230, 368, 394, 460, 788, 920, 985, 1576, 1840, 1970, 3152, 3940, 4531, 7880, 9062, 15760, 18124, 22655, 36248, 38809, 45310, 72496, 77618, 90620, 155236, 181240, 194045, 310472, 362480, 388090, 620944, 776180, 892607, 1552360, 1785214, 3104720, 3570428, 4463035, 7140856, 8926070, 14281712, 17852140, 35704280, 71408560]

約数ペア:

[(1, 71408560), (2, 35704280), (4, 17852140), (5, 14281712), (8, 8926070), (10, 7140856), (16, 4463035), (20, 3570428), (23, 3104720), (40, 1785214), (46, 1552360), (80, 892607), (92, 776180), (115, 620944), (184, 388090), (197, 362480), (230, 310472), (368, 194045), (394, 181240), (460, 155236), (788, 90620), (920, 77618), (985, 72496), (1576, 45310), (1840, 38809), (1970, 36248), (3152, 22655), (3940, 18124), (4531, 15760), (7880, 9062)]