68458140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{541}}^1$

素因数の和:612

約数の個数: 144

約数和(自身を含む): 224908320

約数和(自身を除く): 156450180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 37, 38, 45, 57, 60, 74, 76, 90, 95, 111, 114, 148, 171, 180, 185, 190, 222, 228, 285, 333, 342, 370, 380, 444, 541, 555, 570, 666, 684, 703, 740, 855, 1082, 1110, 1140, 1332, 1406, 1623, 1665, 1710, 2109, 2164, 2220, 2705, 2812, 3246, 3330, 3420, 3515, 4218, 4869, 5410, 6327, 6492, 6660, 7030, 8115, 8436, 9738, 10279, 10545, 10820, 12654, 14060, 16230, 19476, 20017, 20558, 21090, 24345, 25308, 30837, 31635, 32460, 40034, 41116, 42180, 48690, 51395, 60051, 61674, 63270, 80068, 92511, 97380, 100085, 102790, 120102, 123348, 126540, 154185, 180153, 185022, 200170, 205580, 240204, 300255, 308370, 360306, 370044, 380323, 400340, 462555, 600510, 616740, 720612, 760646, 900765, 925110, 1140969, 1201020, 1521292, 1801530, 1850220, 1901615, 2281938, 3422907, 3603060, 3803230, 4563876, 5704845, 6845814, 7606460, 11409690, 13691628, 17114535, 22819380, 34229070, 68458140]

約数ペア:

[(1, 68458140), (2, 34229070), (3, 22819380), (4, 17114535), (5, 13691628), (6, 11409690), (9, 7606460), (10, 6845814), (12, 5704845), (15, 4563876), (18, 3803230), (19, 3603060), (20, 3422907), (30, 2281938), (36, 1901615), (37, 1850220), (38, 1801530), (45, 1521292), (57, 1201020), (60, 1140969), (74, 925110), (76, 900765), (90, 760646), (95, 720612), (111, 616740), (114, 600510), (148, 462555), (171, 400340), (180, 380323), (185, 370044), (190, 360306), (222, 308370), (228, 300255), (285, 240204), (333, 205580), (342, 200170), (370, 185022), (380, 180153), (444, 154185), (541, 126540), (555, 123348), (570, 120102), (666, 102790), (684, 100085), (703, 97380), (740, 92511), (855, 80068), (1082, 63270), (1110, 61674), (1140, 60051), (1332, 51395), (1406, 48690), (1623, 42180), (1665, 41116), (1710, 40034), (2109, 32460), (2164, 31635), (2220, 30837), (2705, 25308), (2812, 24345), (3246, 21090), (3330, 20558), (3420, 20017), (3515, 19476), (4218, 16230), (4869, 14060), (5410, 12654), (6327, 10820), (6492, 10545), (6660, 10279), (7030, 9738), (8115, 8436)]