171345680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:637

約数の個数: 120

約数和(自身を含む): 452804352

約数和(自身を除く): 281458672

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 121, 124, 155, 176, 220, 242, 248, 310, 341, 440, 484, 496, 571, 605, 620, 682, 880, 968, 1142, 1210, 1240, 1364, 1705, 1936, 2284, 2420, 2480, 2728, 2855, 3410, 3751, 4568, 4840, 5456, 5710, 6281, 6820, 7502, 9136, 9680, 11420, 12562, 13640, 15004, 17701, 18755, 22840, 25124, 27280, 30008, 31405, 35402, 37510, 45680, 50248, 60016, 62810, 69091, 70804, 75020, 88505, 100496, 125620, 138182, 141608, 150040, 177010, 194711, 251240, 276364, 283216, 300080, 345455, 354020, 389422, 502480, 552728, 690910, 708040, 778844, 973555, 1105456, 1381820, 1416080, 1557688, 1947110, 2141821, 2763640, 3115376, 3894220, 4283642, 5527280, 7788440, 8567284, 10709105, 15576880, 17134568, 21418210, 34269136, 42836420, 85672840, 171345680]

約数ペア:

[(1, 171345680), (2, 85672840), (4, 42836420), (5, 34269136), (8, 21418210), (10, 17134568), (11, 15576880), (16, 10709105), (20, 8567284), (22, 7788440), (31, 5527280), (40, 4283642), (44, 3894220), (55, 3115376), (62, 2763640), (80, 2141821), (88, 1947110), (110, 1557688), (121, 1416080), (124, 1381820), (155, 1105456), (176, 973555), (220, 778844), (242, 708040), (248, 690910), (310, 552728), (341, 502480), (440, 389422), (484, 354020), (496, 345455), (571, 300080), (605, 283216), (620, 276364), (682, 251240), (880, 194711), (968, 177010), (1142, 150040), (1210, 141608), (1240, 138182), (1364, 125620), (1705, 100496), (1936, 88505), (2284, 75020), (2420, 70804), (2480, 69091), (2728, 62810), (2855, 60016), (3410, 50248), (3751, 45680), (4568, 37510), (4840, 35402), (5456, 31405), (5710, 30008), (6281, 27280), (6820, 25124), (7502, 22840), (9136, 18755), (9680, 17701), (11420, 15004), (12562, 13640)]