319781520

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{809}}^1$

素因数の和:895

約数の個数: 200

約数和(自身を含む): 1130251320

約数和(自身を除く): 810469800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 61, 72, 80, 81, 90, 108, 120, 122, 135, 144, 162, 180, 183, 216, 240, 244, 270, 305, 324, 360, 366, 405, 432, 488, 540, 549, 610, 648, 720, 732, 809, 810, 915, 976, 1080, 1098, 1220, 1296, 1464, 1618, 1620, 1647, 1830, 2160, 2196, 2427, 2440, 2745, 2928, 3236, 3240, 3294, 3660, 4045, 4392, 4854, 4880, 4941, 5490, 6472, 6480, 6588, 7281, 7320, 8090, 8235, 8784, 9708, 9882, 10980, 12135, 12944, 13176, 14562, 14640, 16180, 16470, 19416, 19764, 21843, 21960, 24270, 24705, 26352, 29124, 32360, 32940, 36405, 38832, 39528, 43686, 43920, 48540, 49349, 49410, 58248, 64720, 65529, 65880, 72810, 79056, 87372, 97080, 98698, 98820, 109215, 116496, 131058, 131760, 145620, 148047, 174744, 194160, 197396, 197640, 218430, 246745, 262116, 291240, 296094, 327645, 349488, 394792, 395280, 436860, 444141, 493490, 524232, 582480, 592188, 655290, 740235, 789584, 873720, 888282, 986980, 1048464, 1184376, 1310580, 1332423, 1480470, 1747440, 1776564, 1973960, 2220705, 2368752, 2621160, 2664846, 2960940, 3553128, 3947920, 3997269, 4441410, 5242320, 5329692, 5921880, 6662115, 7106256, 7994538, 8882820, 10659384, 11843760, 13324230, 15989076, 17765640, 19986345, 21318768, 26648460, 31978152, 35531280, 39972690, 53296920, 63956304, 79945380, 106593840, 159890760, 319781520]

約数ペア:

[(1, 319781520), (2, 159890760), (3, 106593840), (4, 79945380), (5, 63956304), (6, 53296920), (8, 39972690), (9, 35531280), (10, 31978152), (12, 26648460), (15, 21318768), (16, 19986345), (18, 17765640), (20, 15989076), (24, 13324230), (27, 11843760), (30, 10659384), (36, 8882820), (40, 7994538), (45, 7106256), (48, 6662115), (54, 5921880), (60, 5329692), (61, 5242320), (72, 4441410), (80, 3997269), (81, 3947920), (90, 3553128), (108, 2960940), (120, 2664846), (122, 2621160), (135, 2368752), (144, 2220705), (162, 1973960), (180, 1776564), (183, 1747440), (216, 1480470), (240, 1332423), (244, 1310580), (270, 1184376), (305, 1048464), (324, 986980), (360, 888282), (366, 873720), (405, 789584), (432, 740235), (488, 655290), (540, 592188), (549, 582480), (610, 524232), (648, 493490), (720, 444141), (732, 436860), (809, 395280), (810, 394792), (915, 349488), (976, 327645), (1080, 296094), (1098, 291240), (1220, 262116), (1296, 246745), (1464, 218430), (1618, 197640), (1620, 197396), (1647, 194160), (1830, 174744), (2160, 148047), (2196, 145620), (2427, 131760), (2440, 131058), (2745, 116496), (2928, 109215), (3236, 98820), (3240, 98698), (3294, 97080), (3660, 87372), (4045, 79056), (4392, 72810), (4854, 65880), (4880, 65529), (4941, 64720), (5490, 58248), (6472, 49410), (6480, 49349), (6588, 48540), (7281, 43920), (7320, 43686), (8090, 39528), (8235, 38832), (8784, 36405), (9708, 32940), (9882, 32360), (10980, 29124), (12135, 26352), (12944, 24705), (13176, 24270), (14562, 21960), (14640, 21843), (16180, 19764), (16470, 19416)]