7642180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:78

約数の個数: 144

約数和(自身を含む): 22135680

約数和(自身を除く): 14493500

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 19, 20, 26, 28, 34, 35, 38, 52, 65, 68, 70, 76, 85, 91, 95, 119, 130, 133, 140, 169, 170, 182, 190, 221, 238, 247, 260, 266, 323, 338, 340, 364, 380, 442, 455, 476, 494, 532, 595, 646, 665, 676, 845, 884, 910, 988, 1105, 1183, 1190, 1235, 1292, 1330, 1547, 1615, 1690, 1729, 1820, 2210, 2261, 2366, 2380, 2470, 2660, 2873, 3094, 3211, 3230, 3380, 3458, 4199, 4420, 4522, 4732, 4940, 5746, 5915, 6188, 6422, 6460, 6916, 7735, 8398, 8645, 9044, 11305, 11492, 11830, 12844, 14365, 15470, 16055, 16796, 17290, 20111, 20995, 22477, 22610, 23660, 28730, 29393, 30940, 32110, 34580, 40222, 41990, 44954, 45220, 54587, 57460, 58786, 64220, 80444, 83980, 89908, 100555, 109174, 112385, 117572, 146965, 201110, 218348, 224770, 272935, 293930, 382109, 402220, 449540, 545870, 587860, 764218, 1091740, 1528436, 1910545, 3821090, 7642180]

約数ペア:

[(1, 7642180), (2, 3821090), (4, 1910545), (5, 1528436), (7, 1091740), (10, 764218), (13, 587860), (14, 545870), (17, 449540), (19, 402220), (20, 382109), (26, 293930), (28, 272935), (34, 224770), (35, 218348), (38, 201110), (52, 146965), (65, 117572), (68, 112385), (70, 109174), (76, 100555), (85, 89908), (91, 83980), (95, 80444), (119, 64220), (130, 58786), (133, 57460), (140, 54587), (169, 45220), (170, 44954), (182, 41990), (190, 40222), (221, 34580), (238, 32110), (247, 30940), (260, 29393), (266, 28730), (323, 23660), (338, 22610), (340, 22477), (364, 20995), (380, 20111), (442, 17290), (455, 16796), (476, 16055), (494, 15470), (532, 14365), (595, 12844), (646, 11830), (665, 11492), (676, 11305), (845, 9044), (884, 8645), (910, 8398), (988, 7735), (1105, 6916), (1183, 6460), (1190, 6422), (1235, 6188), (1292, 5915), (1330, 5746), (1547, 4940), (1615, 4732), (1690, 4522), (1729, 4420), (1820, 4199), (2210, 3458), (2261, 3380), (2366, 3230), (2380, 3211), (2470, 3094), (2660, 2873)]