321570340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{587}}^1$

素因数の和:666

約数の個数: 144

約数和(自身を含む): 867125952

約数和(自身を除く): 545555612

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 43, 49, 52, 65, 70, 86, 91, 98, 130, 140, 172, 182, 196, 215, 245, 260, 301, 364, 430, 455, 490, 559, 587, 602, 637, 860, 910, 980, 1118, 1174, 1204, 1274, 1505, 1820, 2107, 2236, 2348, 2548, 2795, 2935, 3010, 3185, 3913, 4109, 4214, 5590, 5870, 6020, 6370, 7631, 7826, 8218, 8428, 10535, 11180, 11740, 12740, 15262, 15652, 16436, 19565, 20545, 21070, 25241, 27391, 28763, 30524, 38155, 39130, 41090, 42140, 50482, 53417, 54782, 57526, 76310, 78260, 82180, 100964, 106834, 109564, 115052, 126205, 136955, 143815, 152620, 176687, 213668, 252410, 267085, 273910, 287630, 328133, 353374, 373919, 504820, 534170, 547820, 575260, 656266, 706748, 747838, 883435, 1068340, 1236809, 1312532, 1495676, 1640665, 1766870, 1869595, 2296931, 2473618, 3281330, 3533740, 3739190, 4593862, 4947236, 6184045, 6562660, 7478380, 9187724, 11484655, 12368090, 16078517, 22969310, 24736180, 32157034, 45938620, 64314068, 80392585, 160785170, 321570340]

約数ペア:

[(1, 321570340), (2, 160785170), (4, 80392585), (5, 64314068), (7, 45938620), (10, 32157034), (13, 24736180), (14, 22969310), (20, 16078517), (26, 12368090), (28, 11484655), (35, 9187724), (43, 7478380), (49, 6562660), (52, 6184045), (65, 4947236), (70, 4593862), (86, 3739190), (91, 3533740), (98, 3281330), (130, 2473618), (140, 2296931), (172, 1869595), (182, 1766870), (196, 1640665), (215, 1495676), (245, 1312532), (260, 1236809), (301, 1068340), (364, 883435), (430, 747838), (455, 706748), (490, 656266), (559, 575260), (587, 547820), (602, 534170), (637, 504820), (860, 373919), (910, 353374), (980, 328133), (1118, 287630), (1174, 273910), (1204, 267085), (1274, 252410), (1505, 213668), (1820, 176687), (2107, 152620), (2236, 143815), (2348, 136955), (2548, 126205), (2795, 115052), (2935, 109564), (3010, 106834), (3185, 100964), (3913, 82180), (4109, 78260), (4214, 76310), (5590, 57526), (5870, 54782), (6020, 53417), (6370, 50482), (7631, 42140), (7826, 41090), (8218, 39130), (8428, 38155), (10535, 30524), (11180, 28763), (11740, 27391), (12740, 25241), (15262, 21070), (15652, 20545), (16436, 19565)]