71780580

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{751}}^1$

素因数の和:831

約数の個数: 120

約数和(自身を含む): 229299840

約数和(自身を除く): 157519260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 59, 60, 81, 90, 108, 118, 135, 162, 177, 180, 236, 270, 295, 324, 354, 405, 531, 540, 590, 708, 751, 810, 885, 1062, 1180, 1502, 1593, 1620, 1770, 2124, 2253, 2655, 3004, 3186, 3540, 3755, 4506, 4779, 5310, 6372, 6759, 7510, 7965, 9012, 9558, 10620, 11265, 13518, 15020, 15930, 19116, 20277, 22530, 23895, 27036, 31860, 33795, 40554, 44309, 45060, 47790, 60831, 67590, 81108, 88618, 95580, 101385, 121662, 132927, 135180, 177236, 202770, 221545, 243324, 265854, 304155, 398781, 405540, 443090, 531708, 608310, 664635, 797562, 886180, 1196343, 1216620, 1329270, 1595124, 1993905, 2392686, 2658540, 3589029, 3987810, 4785372, 5981715, 7178058, 7975620, 11963430, 14356116, 17945145, 23926860, 35890290, 71780580]

約数ペア:

[(1, 71780580), (2, 35890290), (3, 23926860), (4, 17945145), (5, 14356116), (6, 11963430), (9, 7975620), (10, 7178058), (12, 5981715), (15, 4785372), (18, 3987810), (20, 3589029), (27, 2658540), (30, 2392686), (36, 1993905), (45, 1595124), (54, 1329270), (59, 1216620), (60, 1196343), (81, 886180), (90, 797562), (108, 664635), (118, 608310), (135, 531708), (162, 443090), (177, 405540), (180, 398781), (236, 304155), (270, 265854), (295, 243324), (324, 221545), (354, 202770), (405, 177236), (531, 135180), (540, 132927), (590, 121662), (708, 101385), (751, 95580), (810, 88618), (885, 81108), (1062, 67590), (1180, 60831), (1502, 47790), (1593, 45060), (1620, 44309), (1770, 40554), (2124, 33795), (2253, 31860), (2655, 27036), (3004, 23895), (3186, 22530), (3540, 20277), (3755, 19116), (4506, 15930), (4779, 15020), (5310, 13518), (6372, 11265), (6759, 10620), (7510, 9558), (7965, 9012)]