25485720

素因数分解:

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

素因数の和:106

約数の個数: 192

約数和(自身を含む): 90084960

約数和(自身を除く): 64599240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 31, 34, 39, 40, 51, 52, 60, 62, 65, 68, 78, 85, 93, 102, 104, 120, 124, 130, 136, 155, 156, 170, 186, 195, 204, 221, 248, 255, 260, 310, 312, 340, 372, 390, 403, 408, 442, 465, 510, 520, 527, 620, 663, 680, 744, 780, 806, 884, 930, 961, 1020, 1054, 1105, 1209, 1240, 1326, 1560, 1581, 1612, 1768, 1860, 1922, 2015, 2040, 2108, 2210, 2418, 2635, 2652, 2883, 3162, 3224, 3315, 3720, 3844, 4030, 4216, 4420, 4805, 4836, 5270, 5304, 5766, 6045, 6324, 6630, 6851, 7688, 7905, 8060, 8840, 9610, 9672, 10540, 11532, 12090, 12493, 12648, 13260, 13702, 14415, 15810, 16120, 16337, 19220, 20553, 21080, 23064, 24180, 24986, 26520, 27404, 28830, 31620, 32674, 34255, 37479, 38440, 41106, 48360, 49011, 49972, 54808, 57660, 62465, 63240, 65348, 68510, 74958, 81685, 82212, 98022, 99944, 102765, 115320, 124930, 130696, 137020, 149916, 163370, 164424, 187395, 196044, 205530, 212381, 245055, 249860, 274040, 299832, 326740, 374790, 392088, 411060, 424762, 490110, 499720, 637143, 653480, 749580, 822120, 849524, 980220, 1061905, 1274286, 1499160, 1699048, 1960440, 2123810, 2548572, 3185715, 4247620, 5097144, 6371430, 8495240, 12742860, 25485720]

約数ペア:

[(1, 25485720), (2, 12742860), (3, 8495240), (4, 6371430), (5, 5097144), (6, 4247620), (8, 3185715), (10, 2548572), (12, 2123810), (13, 1960440), (15, 1699048), (17, 1499160), (20, 1274286), (24, 1061905), (26, 980220), (30, 849524), (31, 822120), (34, 749580), (39, 653480), (40, 637143), (51, 499720), (52, 490110), (60, 424762), (62, 411060), (65, 392088), (68, 374790), (78, 326740), (85, 299832), (93, 274040), (102, 249860), (104, 245055), (120, 212381), (124, 205530), (130, 196044), (136, 187395), (155, 164424), (156, 163370), (170, 149916), (186, 137020), (195, 130696), (204, 124930), (221, 115320), (248, 102765), (255, 99944), (260, 98022), (310, 82212), (312, 81685), (340, 74958), (372, 68510), (390, 65348), (403, 63240), (408, 62465), (442, 57660), (465, 54808), (510, 49972), (520, 49011), (527, 48360), (620, 41106), (663, 38440), (680, 37479), (744, 34255), (780, 32674), (806, 31620), (884, 28830), (930, 27404), (961, 26520), (1020, 24986), (1054, 24180), (1105, 23064), (1209, 21080), (1240, 20553), (1326, 19220), (1560, 16337), (1581, 16120), (1612, 15810), (1768, 14415), (1860, 13702), (1922, 13260), (2015, 12648), (2040, 12493), (2108, 12090), (2210, 11532), (2418, 10540), (2635, 9672), (2652, 9610), (2883, 8840), (3162, 8060), (3224, 7905), (3315, 7688), (3720, 6851), (3844, 6630), (4030, 6324), (4216, 6045), (4420, 5766), (4805, 5304), (4836, 5270)]