12739346080

素因数分解:

$2^5\times 5^1\times {\mathrm{59}}^2\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:479

約数の個数: 144

約数和(自身を含む): 31079923560

約数和(自身を除く): 18340577480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 80, 89, 118, 160, 178, 236, 257, 295, 356, 445, 472, 514, 590, 712, 890, 944, 1028, 1180, 1285, 1424, 1780, 1888, 2056, 2360, 2570, 2848, 3481, 3560, 4112, 4720, 5140, 5251, 6962, 7120, 8224, 9440, 10280, 10502, 13924, 14240, 15163, 17405, 20560, 21004, 22873, 26255, 27848, 30326, 34810, 41120, 42008, 45746, 52510, 55696, 60652, 69620, 75815, 84016, 91492, 105020, 111392, 114365, 121304, 139240, 151630, 168032, 182984, 210040, 228730, 242608, 278480, 303260, 309809, 365968, 420080, 457460, 485216, 556960, 606520, 619618, 731936, 840160, 894617, 914920, 1213040, 1239236, 1349507, 1549045, 1789234, 1829840, 2426080, 2478472, 2699014, 3098090, 3578468, 3659680, 4473085, 4956944, 5398028, 6196180, 6747535, 7156936, 8946170, 9913888, 10796056, 12392360, 13495070, 14313872, 17892340, 21592112, 24784720, 26990140, 28627744, 35784680, 43184224, 49569440, 53980280, 71569360, 79620913, 107960560, 143138720, 159241826, 215921120, 318483652, 398104565, 636967304, 796209130, 1273934608, 1592418260, 2547869216, 3184836520, 6369673040, 12739346080]

約数ペア:

[(1, 12739346080), (2, 6369673040), (4, 3184836520), (5, 2547869216), (8, 1592418260), (10, 1273934608), (16, 796209130), (20, 636967304), (32, 398104565), (40, 318483652), (59, 215921120), (80, 159241826), (89, 143138720), (118, 107960560), (160, 79620913), (178, 71569360), (236, 53980280), (257, 49569440), (295, 43184224), (356, 35784680), (445, 28627744), (472, 26990140), (514, 24784720), (590, 21592112), (712, 17892340), (890, 14313872), (944, 13495070), (1028, 12392360), (1180, 10796056), (1285, 9913888), (1424, 8946170), (1780, 7156936), (1888, 6747535), (2056, 6196180), (2360, 5398028), (2570, 4956944), (2848, 4473085), (3481, 3659680), (3560, 3578468), (4112, 3098090), (4720, 2699014), (5140, 2478472), (5251, 2426080), (6962, 1829840), (7120, 1789234), (8224, 1549045), (9440, 1349507), (10280, 1239236), (10502, 1213040), (13924, 914920), (14240, 894617), (15163, 840160), (17405, 731936), (20560, 619618), (21004, 606520), (22873, 556960), (26255, 485216), (27848, 457460), (30326, 420080), (34810, 365968), (41120, 309809), (42008, 303260), (45746, 278480), (52510, 242608), (55696, 228730), (60652, 210040), (69620, 182984), (75815, 168032), (84016, 151630), (91492, 139240), (105020, 121304), (111392, 114365)]