86678970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:420

約数の個数: 128

約数和(自身を含む): 252426240

約数和(自身を除く): 165747270

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 42, 43, 58, 70, 86, 87, 105, 129, 145, 174, 203, 210, 215, 258, 290, 301, 331, 406, 430, 435, 602, 609, 645, 662, 870, 903, 993, 1015, 1218, 1247, 1290, 1505, 1655, 1806, 1986, 2030, 2317, 2494, 3010, 3045, 3310, 3741, 4515, 4634, 4965, 6090, 6235, 6951, 7482, 8729, 9030, 9599, 9930, 11585, 12470, 13902, 14233, 17458, 18705, 19198, 23170, 26187, 28466, 28797, 34755, 37410, 42699, 43645, 47995, 52374, 57594, 67193, 69510, 71165, 85398, 87290, 95990, 99631, 130935, 134386, 142330, 143985, 199262, 201579, 213495, 261870, 287970, 298893, 335965, 403158, 412757, 426990, 498155, 597786, 671930, 825514, 996310, 1007895, 1238271, 1494465, 2015790, 2063785, 2476542, 2889299, 2988930, 4127570, 5778598, 6191355, 8667897, 12382710, 14446495, 17335794, 28892990, 43339485, 86678970]

約数ペア:

[(1, 86678970), (2, 43339485), (3, 28892990), (5, 17335794), (6, 14446495), (7, 12382710), (10, 8667897), (14, 6191355), (15, 5778598), (21, 4127570), (29, 2988930), (30, 2889299), (35, 2476542), (42, 2063785), (43, 2015790), (58, 1494465), (70, 1238271), (86, 1007895), (87, 996310), (105, 825514), (129, 671930), (145, 597786), (174, 498155), (203, 426990), (210, 412757), (215, 403158), (258, 335965), (290, 298893), (301, 287970), (331, 261870), (406, 213495), (430, 201579), (435, 199262), (602, 143985), (609, 142330), (645, 134386), (662, 130935), (870, 99631), (903, 95990), (993, 87290), (1015, 85398), (1218, 71165), (1247, 69510), (1290, 67193), (1505, 57594), (1655, 52374), (1806, 47995), (1986, 43645), (2030, 42699), (2317, 37410), (2494, 34755), (3010, 28797), (3045, 28466), (3310, 26187), (3741, 23170), (4515, 19198), (4634, 18705), (4965, 17458), (6090, 14233), (6235, 13902), (6951, 12470), (7482, 11585), (8729, 9930), (9030, 9599)]