80018120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:152

約数の個数: 192

約数和(自身を含む): 237168000

約数和(自身を除く): 157149880

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 89, 91, 95, 104, 130, 133, 140, 152, 169, 178, 182, 190, 247, 260, 266, 280, 338, 356, 364, 380, 445, 455, 494, 520, 532, 623, 665, 676, 712, 728, 760, 845, 890, 910, 988, 1064, 1157, 1183, 1235, 1246, 1330, 1352, 1690, 1691, 1729, 1780, 1820, 1976, 2314, 2366, 2470, 2492, 2660, 3115, 3211, 3380, 3382, 3458, 3560, 3640, 4628, 4732, 4940, 4984, 5320, 5785, 5915, 6230, 6422, 6760, 6764, 6916, 8099, 8455, 8645, 9256, 9464, 9880, 11570, 11830, 11837, 12460, 12844, 13528, 13832, 15041, 16055, 16198, 16910, 17290, 21983, 22477, 23140, 23660, 23674, 24920, 25688, 30082, 32110, 32396, 33820, 34580, 40495, 43966, 44954, 46280, 47320, 47348, 59185, 60164, 64220, 64792, 67640, 69160, 75205, 80990, 87932, 89908, 94696, 105287, 109915, 112385, 118370, 120328, 128440, 150410, 153881, 161980, 175864, 179816, 210574, 219830, 224770, 236740, 285779, 300820, 307762, 323960, 421148, 439660, 449540, 473480, 526435, 571558, 601640, 615524, 769405, 842296, 879320, 899080, 1052870, 1143116, 1231048, 1428895, 1538810, 2000453, 2105740, 2286232, 2857790, 3077620, 4000906, 4211480, 5715580, 6155240, 8001812, 10002265, 11431160, 16003624, 20004530, 40009060, 80018120]

約数ペア:

[(1, 80018120), (2, 40009060), (4, 20004530), (5, 16003624), (7, 11431160), (8, 10002265), (10, 8001812), (13, 6155240), (14, 5715580), (19, 4211480), (20, 4000906), (26, 3077620), (28, 2857790), (35, 2286232), (38, 2105740), (40, 2000453), (52, 1538810), (56, 1428895), (65, 1231048), (70, 1143116), (76, 1052870), (89, 899080), (91, 879320), (95, 842296), (104, 769405), (130, 615524), (133, 601640), (140, 571558), (152, 526435), (169, 473480), (178, 449540), (182, 439660), (190, 421148), (247, 323960), (260, 307762), (266, 300820), (280, 285779), (338, 236740), (356, 224770), (364, 219830), (380, 210574), (445, 179816), (455, 175864), (494, 161980), (520, 153881), (532, 150410), (623, 128440), (665, 120328), (676, 118370), (712, 112385), (728, 109915), (760, 105287), (845, 94696), (890, 89908), (910, 87932), (988, 80990), (1064, 75205), (1157, 69160), (1183, 67640), (1235, 64792), (1246, 64220), (1330, 60164), (1352, 59185), (1690, 47348), (1691, 47320), (1729, 46280), (1780, 44954), (1820, 43966), (1976, 40495), (2314, 34580), (2366, 33820), (2470, 32396), (2492, 32110), (2660, 30082), (3115, 25688), (3211, 24920), (3380, 23674), (3382, 23660), (3458, 23140), (3560, 22477), (3640, 21983), (4628, 17290), (4732, 16910), (4940, 16198), (4984, 16055), (5320, 15041), (5785, 13832), (5915, 13528), (6230, 12844), (6422, 12460), (6760, 11837), (6764, 11830), (6916, 11570), (8099, 9880), (8455, 9464), (8645, 9256)]