8541260

素因数分解:

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

素因数の和:80

約数の個数: 108

約数和(自身を含む): 23426928

約数和(自身を除く): 14885668

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 70, 76, 91, 95, 130, 133, 140, 169, 182, 190, 247, 260, 266, 338, 361, 364, 380, 455, 494, 532, 665, 676, 722, 845, 910, 988, 1183, 1235, 1330, 1444, 1690, 1729, 1805, 1820, 2366, 2470, 2527, 2660, 3211, 3380, 3458, 3610, 4693, 4732, 4940, 5054, 5915, 6422, 6916, 7220, 8645, 9386, 10108, 11830, 12635, 12844, 16055, 17290, 18772, 22477, 23465, 23660, 25270, 32110, 32851, 34580, 44954, 46930, 50540, 61009, 64220, 65702, 89908, 93860, 112385, 122018, 131404, 164255, 224770, 244036, 305045, 328510, 427063, 449540, 610090, 657020, 854126, 1220180, 1708252, 2135315, 4270630, 8541260]

約数ペア:

[(1, 8541260), (2, 4270630), (4, 2135315), (5, 1708252), (7, 1220180), (10, 854126), (13, 657020), (14, 610090), (19, 449540), (20, 427063), (26, 328510), (28, 305045), (35, 244036), (38, 224770), (52, 164255), (65, 131404), (70, 122018), (76, 112385), (91, 93860), (95, 89908), (130, 65702), (133, 64220), (140, 61009), (169, 50540), (182, 46930), (190, 44954), (247, 34580), (260, 32851), (266, 32110), (338, 25270), (361, 23660), (364, 23465), (380, 22477), (455, 18772), (494, 17290), (532, 16055), (665, 12844), (676, 12635), (722, 11830), (845, 10108), (910, 9386), (988, 8645), (1183, 7220), (1235, 6916), (1330, 6422), (1444, 5915), (1690, 5054), (1729, 4940), (1805, 4732), (1820, 4693), (2366, 3610), (2470, 3458), (2527, 3380), (2660, 3211)]