280882980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{7687}}^1$

素因数の和:7738

約数の個数: 144

約数和(自身を含む): 1007435520

約数和(自身を除く): 726552540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 29, 30, 35, 36, 42, 45, 58, 60, 63, 70, 84, 87, 90, 105, 116, 126, 140, 145, 174, 180, 203, 210, 252, 261, 290, 315, 348, 406, 420, 435, 522, 580, 609, 630, 812, 870, 1015, 1044, 1218, 1260, 1305, 1740, 1827, 2030, 2436, 2610, 3045, 3654, 4060, 5220, 6090, 7308, 7687, 9135, 12180, 15374, 18270, 23061, 30748, 36540, 38435, 46122, 53809, 69183, 76870, 92244, 107618, 115305, 138366, 153740, 161427, 215236, 222923, 230610, 269045, 276732, 322854, 345915, 445846, 461220, 484281, 538090, 645708, 668769, 691830, 807135, 891692, 968562, 1076180, 1114615, 1337538, 1383660, 1560461, 1614270, 1937124, 2006307, 2229230, 2421405, 2675076, 3120922, 3228540, 3343845, 4012614, 4458460, 4681383, 4842810, 6241844, 6687690, 7802305, 8025228, 9362766, 9685620, 10031535, 13375380, 14044149, 15604610, 18725532, 20063070, 23406915, 28088298, 31209220, 40126140, 46813830, 56176596, 70220745, 93627660, 140441490, 280882980]

約数ペア:

[(1, 280882980), (2, 140441490), (3, 93627660), (4, 70220745), (5, 56176596), (6, 46813830), (7, 40126140), (9, 31209220), (10, 28088298), (12, 23406915), (14, 20063070), (15, 18725532), (18, 15604610), (20, 14044149), (21, 13375380), (28, 10031535), (29, 9685620), (30, 9362766), (35, 8025228), (36, 7802305), (42, 6687690), (45, 6241844), (58, 4842810), (60, 4681383), (63, 4458460), (70, 4012614), (84, 3343845), (87, 3228540), (90, 3120922), (105, 2675076), (116, 2421405), (126, 2229230), (140, 2006307), (145, 1937124), (174, 1614270), (180, 1560461), (203, 1383660), (210, 1337538), (252, 1114615), (261, 1076180), (290, 968562), (315, 891692), (348, 807135), (406, 691830), (420, 668769), (435, 645708), (522, 538090), (580, 484281), (609, 461220), (630, 445846), (812, 345915), (870, 322854), (1015, 276732), (1044, 269045), (1218, 230610), (1260, 222923), (1305, 215236), (1740, 161427), (1827, 153740), (2030, 138366), (2436, 115305), (2610, 107618), (3045, 92244), (3654, 76870), (4060, 69183), (5220, 53809), (6090, 46122), (7308, 38435), (7687, 36540), (9135, 30748), (12180, 23061), (15374, 18270)]