181980540

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1553}}^1$

素因数の和:1609

約数の個数: 192

約数和(自身を含む): 668344320

約数和(自身を除く): 486363780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 31, 35, 36, 42, 45, 54, 60, 62, 63, 70, 84, 90, 93, 105, 108, 124, 126, 135, 140, 155, 180, 186, 189, 210, 217, 252, 270, 279, 310, 315, 372, 378, 420, 434, 465, 540, 558, 620, 630, 651, 756, 837, 868, 930, 945, 1085, 1116, 1260, 1302, 1395, 1553, 1674, 1860, 1890, 1953, 2170, 2604, 2790, 3106, 3255, 3348, 3780, 3906, 4185, 4340, 4659, 5580, 5859, 6212, 6510, 7765, 7812, 8370, 9318, 9765, 10871, 11718, 13020, 13977, 15530, 16740, 18636, 19530, 21742, 23295, 23436, 27954, 29295, 31060, 32613, 39060, 41931, 43484, 46590, 48143, 54355, 55908, 58590, 65226, 69885, 83862, 93180, 96286, 97839, 108710, 117180, 130452, 139770, 144429, 163065, 167724, 192572, 195678, 209655, 217420, 240715, 279540, 288858, 293517, 326130, 337001, 391356, 419310, 433287, 481430, 489195, 577716, 587034, 652260, 674002, 722145, 838620, 866574, 962860, 978390, 1011003, 1174068, 1299861, 1348004, 1444290, 1467585, 1685005, 1733148, 1956780, 2022006, 2166435, 2599722, 2888580, 2935170, 3033009, 3370010, 4044012, 4332870, 5055015, 5199444, 5870340, 6066018, 6499305, 6740020, 8665740, 9099027, 10110030, 12132036, 12998610, 15165045, 18198054, 20220060, 25997220, 30330090, 36396108, 45495135, 60660180, 90990270, 181980540]

約数ペア:

[(1, 181980540), (2, 90990270), (3, 60660180), (4, 45495135), (5, 36396108), (6, 30330090), (7, 25997220), (9, 20220060), (10, 18198054), (12, 15165045), (14, 12998610), (15, 12132036), (18, 10110030), (20, 9099027), (21, 8665740), (27, 6740020), (28, 6499305), (30, 6066018), (31, 5870340), (35, 5199444), (36, 5055015), (42, 4332870), (45, 4044012), (54, 3370010), (60, 3033009), (62, 2935170), (63, 2888580), (70, 2599722), (84, 2166435), (90, 2022006), (93, 1956780), (105, 1733148), (108, 1685005), (124, 1467585), (126, 1444290), (135, 1348004), (140, 1299861), (155, 1174068), (180, 1011003), (186, 978390), (189, 962860), (210, 866574), (217, 838620), (252, 722145), (270, 674002), (279, 652260), (310, 587034), (315, 577716), (372, 489195), (378, 481430), (420, 433287), (434, 419310), (465, 391356), (540, 337001), (558, 326130), (620, 293517), (630, 288858), (651, 279540), (756, 240715), (837, 217420), (868, 209655), (930, 195678), (945, 192572), (1085, 167724), (1116, 163065), (1260, 144429), (1302, 139770), (1395, 130452), (1553, 117180), (1674, 108710), (1860, 97839), (1890, 96286), (1953, 93180), (2170, 83862), (2604, 69885), (2790, 65226), (3106, 58590), (3255, 55908), (3348, 54355), (3780, 48143), (3906, 46590), (4185, 43484), (4340, 41931), (4659, 39060), (5580, 32613), (5859, 31060), (6212, 29295), (6510, 27954), (7765, 23436), (7812, 23295), (8370, 21742), (9318, 19530), (9765, 18636), (10871, 16740), (11718, 15530), (13020, 13977)]