1809543670280

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{821}}^1\times {\mathrm{329951}}^1$

素因数の和:330950

約数の個数: 64

約数和(自身を含む): 4100854625280

約数和(自身を除く): 2291310955000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 821, 835, 1336, 1642, 1670, 3284, 3340, 4105, 6568, 6680, 8210, 16420, 32840, 137107, 274214, 329951, 548428, 659902, 685535, 1096856, 1319804, 1371070, 1649755, 2639608, 2742140, 3299510, 5484280, 6599020, 13198040, 55101817, 110203634, 220407268, 270889771, 275509085, 440814536, 541779542, 551018170, 1083559084, 1102036340, 1354448855, 2167118168, 2204072680, 2708897710, 5417795420, 10835590840, 45238591757, 90477183514, 180954367028, 226192958785, 361908734056, 452385917570, 904771835140, 1809543670280]

約数ペア:

[(1, 1809543670280), (2, 904771835140), (4, 452385917570), (5, 361908734056), (8, 226192958785), (10, 180954367028), (20, 90477183514), (40, 45238591757), (167, 10835590840), (334, 5417795420), (668, 2708897710), (821, 2204072680), (835, 2167118168), (1336, 1354448855), (1642, 1102036340), (1670, 1083559084), (3284, 551018170), (3340, 541779542), (4105, 440814536), (6568, 275509085), (6680, 270889771), (8210, 220407268), (16420, 110203634), (32840, 55101817), (137107, 13198040), (274214, 6599020), (329951, 5484280), (548428, 3299510), (659902, 2742140), (685535, 2639608), (1096856, 1649755), (1319804, 1371070)]