1815641730

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{320219}}^1$

素因数の和:320245

約数の個数: 80

約数和(自身を含む): 5579513280

約数和(自身を除く): 3763871550

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 81, 90, 105, 126, 135, 162, 189, 210, 270, 315, 378, 405, 567, 630, 810, 945, 1134, 1890, 2835, 5670, 320219, 640438, 960657, 1601095, 1921314, 2241533, 2881971, 3202190, 4483066, 4803285, 5763942, 6724599, 8645913, 9606570, 11207665, 13449198, 14409855, 17291826, 20173797, 22415330, 25937739, 28819710, 33622995, 40347594, 43229565, 51875478, 60521391, 67245990, 86459130, 100868985, 121042782, 129688695, 181564173, 201737970, 259377390, 302606955, 363128346, 605213910, 907820865, 1815641730]

約数ペア:

[(1, 1815641730), (2, 907820865), (3, 605213910), (5, 363128346), (6, 302606955), (7, 259377390), (9, 201737970), (10, 181564173), (14, 129688695), (15, 121042782), (18, 100868985), (21, 86459130), (27, 67245990), (30, 60521391), (35, 51875478), (42, 43229565), (45, 40347594), (54, 33622995), (63, 28819710), (70, 25937739), (81, 22415330), (90, 20173797), (105, 17291826), (126, 14409855), (135, 13449198), (162, 11207665), (189, 9606570), (210, 8645913), (270, 6724599), (315, 5763942), (378, 4803285), (405, 4483066), (567, 3202190), (630, 2881971), (810, 2241533), (945, 1921314), (1134, 1601095), (1890, 960657), (2835, 640438), (5670, 320219)]