680320620

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3529}}^1$

素因数の和:3574

約数の個数: 240

約数和(自身を含む): 2583282240

約数和(自身を除く): 1902961620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 27, 28, 30, 34, 35, 36, 42, 45, 51, 54, 60, 63, 68, 70, 81, 84, 85, 90, 102, 105, 108, 119, 126, 135, 140, 153, 162, 170, 180, 189, 204, 210, 238, 252, 255, 270, 306, 315, 324, 340, 357, 378, 405, 420, 459, 476, 510, 540, 567, 595, 612, 630, 714, 756, 765, 810, 918, 945, 1020, 1071, 1134, 1190, 1260, 1377, 1428, 1530, 1620, 1785, 1836, 1890, 2142, 2268, 2295, 2380, 2754, 2835, 3060, 3213, 3529, 3570, 3780, 4284, 4590, 5355, 5508, 5670, 6426, 6885, 7058, 7140, 9180, 9639, 10587, 10710, 11340, 12852, 13770, 14116, 16065, 17645, 19278, 21174, 21420, 24703, 27540, 31761, 32130, 35290, 38556, 42348, 48195, 49406, 52935, 59993, 63522, 64260, 70580, 74109, 95283, 96390, 98812, 105870, 119986, 123515, 127044, 148218, 158805, 179979, 190566, 192780, 211740, 222327, 239972, 247030, 285849, 296436, 299965, 317610, 359958, 370545, 381132, 419951, 444654, 476415, 494060, 539937, 571698, 599930, 635220, 666981, 719916, 741090, 839902, 889308, 899895, 952830, 1079874, 1111635, 1143396, 1199860, 1259853, 1333962, 1429245, 1482180, 1619811, 1679804, 1799790, 1905660, 2000943, 2099755, 2159748, 2223270, 2519706, 2667924, 2699685, 2858490, 3239622, 3334905, 3599580, 3779559, 4001886, 4199510, 4446540, 4859433, 5039412, 5399370, 5716980, 6299265, 6479244, 6669810, 7559118, 8003772, 8099055, 8399020, 9718866, 10004715, 10798740, 11338677, 12598530, 13339620, 15118236, 16198110, 18897795, 19437732, 20009430, 22677354, 24297165, 25197060, 32396220, 34016031, 37795590, 40018860, 45354708, 48594330, 56693385, 68032062, 75591180, 97188660, 113386770, 136064124, 170080155, 226773540, 340160310, 680320620]

約数ペア:

[(1, 680320620), (2, 340160310), (3, 226773540), (4, 170080155), (5, 136064124), (6, 113386770), (7, 97188660), (9, 75591180), (10, 68032062), (12, 56693385), (14, 48594330), (15, 45354708), (17, 40018860), (18, 37795590), (20, 34016031), (21, 32396220), (27, 25197060), (28, 24297165), (30, 22677354), (34, 20009430), (35, 19437732), (36, 18897795), (42, 16198110), (45, 15118236), (51, 13339620), (54, 12598530), (60, 11338677), (63, 10798740), (68, 10004715), (70, 9718866), (81, 8399020), (84, 8099055), (85, 8003772), (90, 7559118), (102, 6669810), (105, 6479244), (108, 6299265), (119, 5716980), (126, 5399370), (135, 5039412), (140, 4859433), (153, 4446540), (162, 4199510), (170, 4001886), (180, 3779559), (189, 3599580), (204, 3334905), (210, 3239622), (238, 2858490), (252, 2699685), (255, 2667924), (270, 2519706), (306, 2223270), (315, 2159748), (324, 2099755), (340, 2000943), (357, 1905660), (378, 1799790), (405, 1679804), (420, 1619811), (459, 1482180), (476, 1429245), (510, 1333962), (540, 1259853), (567, 1199860), (595, 1143396), (612, 1111635), (630, 1079874), (714, 952830), (756, 899895), (765, 889308), (810, 839902), (918, 741090), (945, 719916), (1020, 666981), (1071, 635220), (1134, 599930), (1190, 571698), (1260, 539937), (1377, 494060), (1428, 476415), (1530, 444654), (1620, 419951), (1785, 381132), (1836, 370545), (1890, 359958), (2142, 317610), (2268, 299965), (2295, 296436), (2380, 285849), (2754, 247030), (2835, 239972), (3060, 222327), (3213, 211740), (3529, 192780), (3570, 190566), (3780, 179979), (4284, 158805), (4590, 148218), (5355, 127044), (5508, 123515), (5670, 119986), (6426, 105870), (6885, 98812), (7058, 96390), (7140, 95283), (9180, 74109), (9639, 70580), (10587, 64260), (10710, 63522), (11340, 59993), (12852, 52935), (13770, 49406), (14116, 48195), (16065, 42348), (17645, 38556), (19278, 35290), (21174, 32130), (21420, 31761), (24703, 27540)]