170247040

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8581}}^1$

素因数の和:8631

約数の個数: 64

約数和(自身を含む): 420174720

約数和(自身を除く): 249927680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 8581, 9920, 17162, 19840, 34324, 42905, 68648, 85810, 137296, 171620, 266011, 274592, 343240, 532022, 549184, 686480, 1064044, 1098368, 1330055, 1372960, 2128088, 2660110, 2745920, 4256176, 5320220, 5491840, 8512352, 10640440, 17024704, 21280880, 34049408, 42561760, 85123520, 170247040]

約数ペア:

[(1, 170247040), (2, 85123520), (4, 42561760), (5, 34049408), (8, 21280880), (10, 17024704), (16, 10640440), (20, 8512352), (31, 5491840), (32, 5320220), (40, 4256176), (62, 2745920), (64, 2660110), (80, 2128088), (124, 1372960), (128, 1330055), (155, 1098368), (160, 1064044), (248, 686480), (310, 549184), (320, 532022), (496, 343240), (620, 274592), (640, 266011), (992, 171620), (1240, 137296), (1984, 85810), (2480, 68648), (3968, 42905), (4960, 34324), (8581, 19840), (9920, 17162)]