12742860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2$

素因数の和:104

約数の個数: 144

約数和(自身を含む): 42039648

約数和(自身を除く): 29296788

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 31, 34, 39, 51, 52, 60, 62, 65, 68, 78, 85, 93, 102, 124, 130, 155, 156, 170, 186, 195, 204, 221, 255, 260, 310, 340, 372, 390, 403, 442, 465, 510, 527, 620, 663, 780, 806, 884, 930, 961, 1020, 1054, 1105, 1209, 1326, 1581, 1612, 1860, 1922, 2015, 2108, 2210, 2418, 2635, 2652, 2883, 3162, 3315, 3844, 4030, 4420, 4805, 4836, 5270, 5766, 6045, 6324, 6630, 6851, 7905, 8060, 9610, 10540, 11532, 12090, 12493, 13260, 13702, 14415, 15810, 16337, 19220, 20553, 24180, 24986, 27404, 28830, 31620, 32674, 34255, 37479, 41106, 49011, 49972, 57660, 62465, 65348, 68510, 74958, 81685, 82212, 98022, 102765, 124930, 137020, 149916, 163370, 187395, 196044, 205530, 212381, 245055, 249860, 326740, 374790, 411060, 424762, 490110, 637143, 749580, 849524, 980220, 1061905, 1274286, 2123810, 2548572, 3185715, 4247620, 6371430, 12742860]

約数ペア:

[(1, 12742860), (2, 6371430), (3, 4247620), (4, 3185715), (5, 2548572), (6, 2123810), (10, 1274286), (12, 1061905), (13, 980220), (15, 849524), (17, 749580), (20, 637143), (26, 490110), (30, 424762), (31, 411060), (34, 374790), (39, 326740), (51, 249860), (52, 245055), (60, 212381), (62, 205530), (65, 196044), (68, 187395), (78, 163370), (85, 149916), (93, 137020), (102, 124930), (124, 102765), (130, 98022), (155, 82212), (156, 81685), (170, 74958), (186, 68510), (195, 65348), (204, 62465), (221, 57660), (255, 49972), (260, 49011), (310, 41106), (340, 37479), (372, 34255), (390, 32674), (403, 31620), (442, 28830), (465, 27404), (510, 24986), (527, 24180), (620, 20553), (663, 19220), (780, 16337), (806, 15810), (884, 14415), (930, 13702), (961, 13260), (1020, 12493), (1054, 12090), (1105, 11532), (1209, 10540), (1326, 9610), (1581, 8060), (1612, 7905), (1860, 6851), (1922, 6630), (2015, 6324), (2108, 6045), (2210, 5766), (2418, 5270), (2635, 4836), (2652, 4805), (2883, 4420), (3162, 4030), (3315, 3844)]