778282020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{2777}}^1$

素因数の和:2971

約数の個数: 120

約数和(自身を含む): 2456496504

約数和(自身を除く): 1678214484

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 173, 180, 270, 324, 346, 405, 519, 540, 692, 810, 865, 1038, 1557, 1620, 1730, 2076, 2595, 2777, 3114, 3460, 4671, 5190, 5554, 6228, 7785, 8331, 9342, 10380, 11108, 13885, 14013, 15570, 16662, 18684, 23355, 24993, 27770, 28026, 31140, 33324, 41655, 46710, 49986, 55540, 56052, 70065, 74979, 83310, 93420, 99972, 124965, 140130, 149958, 166620, 224937, 249930, 280260, 299916, 374895, 449874, 480421, 499860, 749790, 899748, 960842, 1124685, 1441263, 1499580, 1921684, 2249370, 2402105, 2882526, 4323789, 4498740, 4804210, 5765052, 7206315, 8647578, 9608420, 12971367, 14412630, 17295156, 21618945, 25942734, 28825260, 38914101, 43237890, 51885468, 64856835, 77828202, 86475780, 129713670, 155656404, 194570505, 259427340, 389141010, 778282020]

約数ペア:

[(1, 778282020), (2, 389141010), (3, 259427340), (4, 194570505), (5, 155656404), (6, 129713670), (9, 86475780), (10, 77828202), (12, 64856835), (15, 51885468), (18, 43237890), (20, 38914101), (27, 28825260), (30, 25942734), (36, 21618945), (45, 17295156), (54, 14412630), (60, 12971367), (81, 9608420), (90, 8647578), (108, 7206315), (135, 5765052), (162, 4804210), (173, 4498740), (180, 4323789), (270, 2882526), (324, 2402105), (346, 2249370), (405, 1921684), (519, 1499580), (540, 1441263), (692, 1124685), (810, 960842), (865, 899748), (1038, 749790), (1557, 499860), (1620, 480421), (1730, 449874), (2076, 374895), (2595, 299916), (2777, 280260), (3114, 249930), (3460, 224937), (4671, 166620), (5190, 149958), (5554, 140130), (6228, 124965), (7785, 99972), (8331, 93420), (9342, 83310), (10380, 74979), (11108, 70065), (13885, 56052), (14013, 55540), (15570, 49986), (16662, 46710), (18684, 41655), (23355, 33324), (24993, 31140), (27770, 28026)]