771552180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{19753}}^1$

素因数の和:19806

約数の個数: 144

約数和(自身を含む): 2761135104

約数和(自身を除く): 1989582924

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 868, 930, 1085, 1116, 1260, 1302, 1395, 1860, 1953, 2170, 2604, 2790, 3255, 3906, 4340, 5580, 6510, 7812, 9765, 13020, 19530, 19753, 39060, 39506, 59259, 79012, 98765, 118518, 138271, 177777, 197530, 237036, 276542, 296295, 355554, 395060, 414813, 553084, 592590, 612343, 691355, 711108, 829626, 888885, 1185180, 1224686, 1244439, 1382710, 1659252, 1777770, 1837029, 2074065, 2449372, 2488878, 2765420, 3061715, 3555540, 3674058, 4148130, 4286401, 4977756, 5511087, 6123430, 6222195, 7348116, 8296260, 8572802, 9185145, 11022174, 12246860, 12444390, 12859203, 17145604, 18370290, 21432005, 22044348, 24888780, 25718406, 27555435, 36740580, 38577609, 42864010, 51436812, 55110870, 64296015, 77155218, 85728020, 110221740, 128592030, 154310436, 192888045, 257184060, 385776090, 771552180]

約数ペア:

[(1, 771552180), (2, 385776090), (3, 257184060), (4, 192888045), (5, 154310436), (6, 128592030), (7, 110221740), (9, 85728020), (10, 77155218), (12, 64296015), (14, 55110870), (15, 51436812), (18, 42864010), (20, 38577609), (21, 36740580), (28, 27555435), (30, 25718406), (31, 24888780), (35, 22044348), (36, 21432005), (42, 18370290), (45, 17145604), (60, 12859203), (62, 12444390), (63, 12246860), (70, 11022174), (84, 9185145), (90, 8572802), (93, 8296260), (105, 7348116), (124, 6222195), (126, 6123430), (140, 5511087), (155, 4977756), (180, 4286401), (186, 4148130), (210, 3674058), (217, 3555540), (252, 3061715), (279, 2765420), (310, 2488878), (315, 2449372), (372, 2074065), (420, 1837029), (434, 1777770), (465, 1659252), (558, 1382710), (620, 1244439), (630, 1224686), (651, 1185180), (868, 888885), (930, 829626), (1085, 711108), (1116, 691355), (1260, 612343), (1302, 592590), (1395, 553084), (1860, 414813), (1953, 395060), (2170, 355554), (2604, 296295), (2790, 276542), (3255, 237036), (3906, 197530), (4340, 177777), (5580, 138271), (6510, 118518), (7812, 98765), (9765, 79012), (13020, 59259), (19530, 39506), (19753, 39060)]