77587020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{443}}^1$

素因数の和:604

約数の個数: 144

約数和(自身を含む): 271514880

約数和(自身を除く): 193927860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 139, 140, 180, 210, 252, 278, 315, 417, 420, 443, 556, 630, 695, 834, 886, 973, 1251, 1260, 1329, 1390, 1668, 1772, 1946, 2085, 2215, 2502, 2658, 2780, 2919, 3101, 3892, 3987, 4170, 4430, 4865, 5004, 5316, 5838, 6202, 6255, 6645, 7974, 8340, 8757, 8860, 9303, 9730, 11676, 12404, 12510, 13290, 14595, 15505, 15948, 17514, 18606, 19460, 19935, 25020, 26580, 27909, 29190, 31010, 35028, 37212, 39870, 43785, 46515, 55818, 58380, 61577, 62020, 79740, 87570, 93030, 111636, 123154, 139545, 175140, 184731, 186060, 246308, 279090, 307885, 369462, 431039, 554193, 558180, 615770, 738924, 862078, 923655, 1108386, 1231540, 1293117, 1724156, 1847310, 2155195, 2216772, 2586234, 2770965, 3694620, 3879351, 4310390, 5172468, 5541930, 6465585, 7758702, 8620780, 11083860, 12931170, 15517404, 19396755, 25862340, 38793510, 77587020]

約数ペア:

[(1, 77587020), (2, 38793510), (3, 25862340), (4, 19396755), (5, 15517404), (6, 12931170), (7, 11083860), (9, 8620780), (10, 7758702), (12, 6465585), (14, 5541930), (15, 5172468), (18, 4310390), (20, 3879351), (21, 3694620), (28, 2770965), (30, 2586234), (35, 2216772), (36, 2155195), (42, 1847310), (45, 1724156), (60, 1293117), (63, 1231540), (70, 1108386), (84, 923655), (90, 862078), (105, 738924), (126, 615770), (139, 558180), (140, 554193), (180, 431039), (210, 369462), (252, 307885), (278, 279090), (315, 246308), (417, 186060), (420, 184731), (443, 175140), (556, 139545), (630, 123154), (695, 111636), (834, 93030), (886, 87570), (973, 79740), (1251, 62020), (1260, 61577), (1329, 58380), (1390, 55818), (1668, 46515), (1772, 43785), (1946, 39870), (2085, 37212), (2215, 35028), (2502, 31010), (2658, 29190), (2780, 27909), (2919, 26580), (3101, 25020), (3892, 19935), (3987, 19460), (4170, 18606), (4430, 17514), (4865, 15948), (5004, 15505), (5316, 14595), (5838, 13290), (6202, 12510), (6255, 12404), (6645, 11676), (7974, 9730), (8340, 9303), (8757, 8860)]