280018620

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{8231}}^1$

素因数の和:8262

約数の個数: 144

約数和(自身を含む): 1006806528

約数和(自身を除く): 726787908

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 567, 630, 756, 810, 945, 972, 1134, 1215, 1260, 1620, 1701, 1890, 2268, 2430, 2835, 3402, 3780, 4860, 5670, 6804, 8231, 8505, 11340, 16462, 17010, 24693, 32924, 34020, 41155, 49386, 57617, 74079, 82310, 98772, 115234, 123465, 148158, 164620, 172851, 222237, 230468, 246930, 288085, 296316, 345702, 370395, 444474, 493860, 518553, 576170, 666711, 691404, 740790, 864255, 888948, 1037106, 1111185, 1152340, 1333422, 1481580, 1555659, 1728510, 2000133, 2074212, 2222370, 2592765, 2666844, 3111318, 3333555, 3457020, 4000266, 4444740, 4666977, 5185530, 6222636, 6667110, 7778295, 8000532, 9333954, 10000665, 10371060, 13334220, 14000931, 15556590, 18667908, 20001330, 23334885, 28001862, 31113180, 40002660, 46669770, 56003724, 70004655, 93339540, 140009310, 280018620]

約数ペア:

[(1, 280018620), (2, 140009310), (3, 93339540), (4, 70004655), (5, 56003724), (6, 46669770), (7, 40002660), (9, 31113180), (10, 28001862), (12, 23334885), (14, 20001330), (15, 18667908), (18, 15556590), (20, 14000931), (21, 13334220), (27, 10371060), (28, 10000665), (30, 9333954), (35, 8000532), (36, 7778295), (42, 6667110), (45, 6222636), (54, 5185530), (60, 4666977), (63, 4444740), (70, 4000266), (81, 3457020), (84, 3333555), (90, 3111318), (105, 2666844), (108, 2592765), (126, 2222370), (135, 2074212), (140, 2000133), (162, 1728510), (180, 1555659), (189, 1481580), (210, 1333422), (243, 1152340), (252, 1111185), (270, 1037106), (315, 888948), (324, 864255), (378, 740790), (405, 691404), (420, 666711), (486, 576170), (540, 518553), (567, 493860), (630, 444474), (756, 370395), (810, 345702), (945, 296316), (972, 288085), (1134, 246930), (1215, 230468), (1260, 222237), (1620, 172851), (1701, 164620), (1890, 148158), (2268, 123465), (2430, 115234), (2835, 98772), (3402, 82310), (3780, 74079), (4860, 57617), (5670, 49386), (6804, 41155), (8231, 34020), (8505, 32924), (11340, 24693), (16462, 17010)]