205386840

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{63391}}^1$

素因数の和:63414

約数の個数: 80

約数和(自身を含む): 690338880

約数和(自身を除く): 484952040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 63391, 126782, 190173, 253564, 316955, 380346, 507128, 570519, 633910, 760692, 950865, 1141038, 1267820, 1521384, 1711557, 1901730, 2282076, 2535640, 2852595, 3423114, 3803460, 4564152, 5134671, 5705190, 6846228, 7606920, 8557785, 10269342, 11410380, 13692456, 17115570, 20538684, 22820760, 25673355, 34231140, 41077368, 51346710, 68462280, 102693420, 205386840]

約数ペア:

[(1, 205386840), (2, 102693420), (3, 68462280), (4, 51346710), (5, 41077368), (6, 34231140), (8, 25673355), (9, 22820760), (10, 20538684), (12, 17115570), (15, 13692456), (18, 11410380), (20, 10269342), (24, 8557785), (27, 7606920), (30, 6846228), (36, 5705190), (40, 5134671), (45, 4564152), (54, 3803460), (60, 3423114), (72, 2852595), (81, 2535640), (90, 2282076), (108, 1901730), (120, 1711557), (135, 1521384), (162, 1267820), (180, 1141038), (216, 950865), (270, 760692), (324, 633910), (360, 570519), (405, 507128), (540, 380346), (648, 316955), (810, 253564), (1080, 190173), (1620, 126782), (3240, 63391)]