679248640

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^2$

素因数の和:155

約数の個数: 216

約数和(自身を含む): 1950123168

約数和(自身を除く): 1270874528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 43, 56, 64, 70, 80, 82, 86, 112, 128, 140, 160, 164, 172, 205, 215, 224, 256, 280, 287, 301, 320, 328, 344, 410, 430, 448, 560, 574, 602, 640, 656, 688, 820, 860, 896, 1120, 1148, 1204, 1280, 1312, 1376, 1435, 1505, 1640, 1720, 1763, 1792, 1849, 2240, 2296, 2408, 2624, 2752, 2870, 3010, 3280, 3440, 3526, 3698, 4480, 4592, 4816, 5248, 5504, 5740, 6020, 6560, 6880, 7052, 7396, 8815, 8960, 9184, 9245, 9632, 10496, 11008, 11480, 12040, 12341, 12943, 13120, 13760, 14104, 14792, 17630, 18368, 18490, 19264, 22960, 24080, 24682, 25886, 26240, 27520, 28208, 29584, 35260, 36736, 36980, 38528, 45920, 48160, 49364, 51772, 52480, 55040, 56416, 59168, 61705, 64715, 70520, 73472, 73960, 75809, 77056, 91840, 96320, 98728, 103544, 112832, 118336, 123410, 129430, 141040, 147920, 151618, 183680, 192640, 197456, 207088, 225664, 236672, 246820, 258860, 282080, 295840, 303236, 367360, 379045, 385280, 394912, 414176, 451328, 473344, 493640, 517720, 530663, 564160, 591680, 606472, 758090, 789824, 828352, 987280, 1035440, 1061326, 1128320, 1183360, 1212944, 1516180, 1579648, 1656704, 1974560, 2070880, 2122652, 2256640, 2366720, 2425888, 2653315, 3032360, 3159296, 3313408, 3949120, 4141760, 4245304, 4851776, 5306630, 6064720, 7898240, 8283520, 8490608, 9703552, 10613260, 12129440, 15796480, 16567040, 16981216, 19407104, 21226520, 24258880, 33962432, 42453040, 48517760, 67924864, 84906080, 97035520, 135849728, 169812160, 339624320, 679248640]

約数ペア:

[(1, 679248640), (2, 339624320), (4, 169812160), (5, 135849728), (7, 97035520), (8, 84906080), (10, 67924864), (14, 48517760), (16, 42453040), (20, 33962432), (28, 24258880), (32, 21226520), (35, 19407104), (40, 16981216), (41, 16567040), (43, 15796480), (56, 12129440), (64, 10613260), (70, 9703552), (80, 8490608), (82, 8283520), (86, 7898240), (112, 6064720), (128, 5306630), (140, 4851776), (160, 4245304), (164, 4141760), (172, 3949120), (205, 3313408), (215, 3159296), (224, 3032360), (256, 2653315), (280, 2425888), (287, 2366720), (301, 2256640), (320, 2122652), (328, 2070880), (344, 1974560), (410, 1656704), (430, 1579648), (448, 1516180), (560, 1212944), (574, 1183360), (602, 1128320), (640, 1061326), (656, 1035440), (688, 987280), (820, 828352), (860, 789824), (896, 758090), (1120, 606472), (1148, 591680), (1204, 564160), (1280, 530663), (1312, 517720), (1376, 493640), (1435, 473344), (1505, 451328), (1640, 414176), (1720, 394912), (1763, 385280), (1792, 379045), (1849, 367360), (2240, 303236), (2296, 295840), (2408, 282080), (2624, 258860), (2752, 246820), (2870, 236672), (3010, 225664), (3280, 207088), (3440, 197456), (3526, 192640), (3698, 183680), (4480, 151618), (4592, 147920), (4816, 141040), (5248, 129430), (5504, 123410), (5740, 118336), (6020, 112832), (6560, 103544), (6880, 98728), (7052, 96320), (7396, 91840), (8815, 77056), (8960, 75809), (9184, 73960), (9245, 73472), (9632, 70520), (10496, 64715), (11008, 61705), (11480, 59168), (12040, 56416), (12341, 55040), (12943, 52480), (13120, 51772), (13760, 49364), (14104, 48160), (14792, 45920), (17630, 38528), (18368, 36980), (18490, 36736), (19264, 35260), (22960, 29584), (24080, 28208), (24682, 27520), (25886, 26240)]