80675140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2333}}^1$

素因数の和:2381

約数の個数: 96

約数和(自身を含む): 219582720

約数和(自身を除く): 138907580

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, 182, 190, 247, 260, 266, 364, 380, 455, 494, 532, 665, 910, 988, 1235, 1330, 1729, 1820, 2333, 2470, 2660, 3458, 4666, 4940, 6916, 8645, 9332, 11665, 16331, 17290, 23330, 30329, 32662, 34580, 44327, 46660, 60658, 65324, 81655, 88654, 121316, 151645, 163310, 177308, 212303, 221635, 303290, 310289, 326620, 424606, 443270, 576251, 606580, 620578, 849212, 886540, 1061515, 1152502, 1241156, 1551445, 2123030, 2305004, 2881255, 3102890, 4033757, 4246060, 5762510, 6205780, 8067514, 11525020, 16135028, 20168785, 40337570, 80675140]

約数ペア:

[(1, 80675140), (2, 40337570), (4, 20168785), (5, 16135028), (7, 11525020), (10, 8067514), (13, 6205780), (14, 5762510), (19, 4246060), (20, 4033757), (26, 3102890), (28, 2881255), (35, 2305004), (38, 2123030), (52, 1551445), (65, 1241156), (70, 1152502), (76, 1061515), (91, 886540), (95, 849212), (130, 620578), (133, 606580), (140, 576251), (182, 443270), (190, 424606), (247, 326620), (260, 310289), (266, 303290), (364, 221635), (380, 212303), (455, 177308), (494, 163310), (532, 151645), (665, 121316), (910, 88654), (988, 81655), (1235, 65324), (1330, 60658), (1729, 46660), (1820, 44327), (2333, 34580), (2470, 32662), (2660, 30329), (3458, 23330), (4666, 17290), (4940, 16331), (6916, 11665), (8645, 9332)]