688256240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{563}}^1$

素因数の和:679

約数の個数: 160

約数和(自身を含む): 1913448960

約数和(自身を除く): 1225192720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 59, 70, 74, 80, 112, 118, 140, 148, 185, 236, 259, 280, 295, 296, 370, 413, 472, 518, 560, 563, 590, 592, 740, 826, 944, 1036, 1126, 1180, 1295, 1480, 1652, 2065, 2072, 2183, 2252, 2360, 2590, 2815, 2960, 3304, 3941, 4130, 4144, 4366, 4504, 4720, 5180, 5630, 6608, 7882, 8260, 8732, 9008, 10360, 10915, 11260, 15281, 15764, 16520, 17464, 19705, 20720, 20831, 21830, 22520, 30562, 31528, 33040, 33217, 34928, 39410, 41662, 43660, 45040, 61124, 63056, 66434, 76405, 78820, 83324, 87320, 104155, 122248, 132868, 145817, 152810, 157640, 166085, 166648, 174640, 208310, 232519, 244496, 265736, 291634, 305620, 315280, 332170, 333296, 416620, 465038, 531472, 583268, 611240, 664340, 729085, 833240, 930076, 1162595, 1166536, 1222480, 1229029, 1328680, 1458170, 1666480, 1860152, 2325190, 2333072, 2458058, 2657360, 2916340, 3720304, 4650380, 4916116, 5832680, 6145145, 8603203, 9300760, 9832232, 11665360, 12290290, 17206406, 18601520, 19664464, 24580580, 34412812, 43016015, 49161160, 68825624, 86032030, 98322320, 137651248, 172064060, 344128120, 688256240]

約数ペア:

[(1, 688256240), (2, 344128120), (4, 172064060), (5, 137651248), (7, 98322320), (8, 86032030), (10, 68825624), (14, 49161160), (16, 43016015), (20, 34412812), (28, 24580580), (35, 19664464), (37, 18601520), (40, 17206406), (56, 12290290), (59, 11665360), (70, 9832232), (74, 9300760), (80, 8603203), (112, 6145145), (118, 5832680), (140, 4916116), (148, 4650380), (185, 3720304), (236, 2916340), (259, 2657360), (280, 2458058), (295, 2333072), (296, 2325190), (370, 1860152), (413, 1666480), (472, 1458170), (518, 1328680), (560, 1229029), (563, 1222480), (590, 1166536), (592, 1162595), (740, 930076), (826, 833240), (944, 729085), (1036, 664340), (1126, 611240), (1180, 583268), (1295, 531472), (1480, 465038), (1652, 416620), (2065, 333296), (2072, 332170), (2183, 315280), (2252, 305620), (2360, 291634), (2590, 265736), (2815, 244496), (2960, 232519), (3304, 208310), (3941, 174640), (4130, 166648), (4144, 166085), (4366, 157640), (4504, 152810), (4720, 145817), (5180, 132868), (5630, 122248), (6608, 104155), (7882, 87320), (8260, 83324), (8732, 78820), (9008, 76405), (10360, 66434), (10915, 63056), (11260, 61124), (15281, 45040), (15764, 43660), (16520, 41662), (17464, 39410), (19705, 34928), (20720, 33217), (20831, 33040), (21830, 31528), (22520, 30562)]