321686880

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{307}}^1$

素因数の和:421

約数の個数: 192

約数和(自身を含む): 1061786880

約数和(自身を除く): 740100000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 59, 60, 74, 80, 96, 111, 118, 120, 148, 160, 177, 185, 222, 236, 240, 295, 296, 307, 354, 370, 444, 472, 480, 555, 590, 592, 614, 708, 740, 885, 888, 921, 944, 1110, 1180, 1184, 1228, 1416, 1480, 1535, 1770, 1776, 1842, 1888, 2183, 2220, 2360, 2456, 2832, 2960, 3070, 3540, 3552, 3684, 4366, 4440, 4605, 4720, 4912, 5664, 5920, 6140, 6549, 7080, 7368, 8732, 8880, 9210, 9440, 9824, 10915, 11359, 12280, 13098, 14160, 14736, 17464, 17760, 18113, 18420, 21830, 22718, 24560, 26196, 28320, 29472, 32745, 34077, 34928, 36226, 36840, 43660, 45436, 49120, 52392, 54339, 56795, 65490, 68154, 69856, 72452, 73680, 87320, 90565, 90872, 104784, 108678, 113590, 130980, 136308, 144904, 147360, 170385, 174640, 181130, 181744, 209568, 217356, 227180, 261960, 271695, 272616, 289808, 340770, 349280, 362260, 363488, 434712, 454360, 523920, 543390, 545232, 579616, 670181, 681540, 724520, 869424, 908720, 1047840, 1086780, 1090464, 1340362, 1363080, 1449040, 1738848, 1817440, 2010543, 2173560, 2680724, 2726160, 2898080, 3350905, 4021086, 4347120, 5361448, 5452320, 6701810, 8042172, 8694240, 10052715, 10722896, 13403620, 16084344, 20105430, 21445792, 26807240, 32168688, 40210860, 53614480, 64337376, 80421720, 107228960, 160843440, 321686880]

約数ペア:

[(1, 321686880), (2, 160843440), (3, 107228960), (4, 80421720), (5, 64337376), (6, 53614480), (8, 40210860), (10, 32168688), (12, 26807240), (15, 21445792), (16, 20105430), (20, 16084344), (24, 13403620), (30, 10722896), (32, 10052715), (37, 8694240), (40, 8042172), (48, 6701810), (59, 5452320), (60, 5361448), (74, 4347120), (80, 4021086), (96, 3350905), (111, 2898080), (118, 2726160), (120, 2680724), (148, 2173560), (160, 2010543), (177, 1817440), (185, 1738848), (222, 1449040), (236, 1363080), (240, 1340362), (295, 1090464), (296, 1086780), (307, 1047840), (354, 908720), (370, 869424), (444, 724520), (472, 681540), (480, 670181), (555, 579616), (590, 545232), (592, 543390), (614, 523920), (708, 454360), (740, 434712), (885, 363488), (888, 362260), (921, 349280), (944, 340770), (1110, 289808), (1180, 272616), (1184, 271695), (1228, 261960), (1416, 227180), (1480, 217356), (1535, 209568), (1770, 181744), (1776, 181130), (1842, 174640), (1888, 170385), (2183, 147360), (2220, 144904), (2360, 136308), (2456, 130980), (2832, 113590), (2960, 108678), (3070, 104784), (3540, 90872), (3552, 90565), (3684, 87320), (4366, 73680), (4440, 72452), (4605, 69856), (4720, 68154), (4912, 65490), (5664, 56795), (5920, 54339), (6140, 52392), (6549, 49120), (7080, 45436), (7368, 43660), (8732, 36840), (8880, 36226), (9210, 34928), (9440, 34077), (9824, 32745), (10915, 29472), (11359, 28320), (12280, 26196), (13098, 24560), (14160, 22718), (14736, 21830), (17464, 18420), (17760, 18113)]