68711220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:255

約数の個数: 192

約数和(自身を含む): 232377600

約数和(自身を除く): 163666380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 37, 38, 45, 54, 57, 60, 74, 76, 90, 95, 108, 111, 114, 135, 148, 171, 180, 181, 185, 190, 222, 228, 270, 285, 333, 342, 362, 370, 380, 444, 513, 540, 543, 555, 570, 666, 684, 703, 724, 740, 855, 905, 999, 1026, 1086, 1110, 1140, 1332, 1406, 1629, 1665, 1710, 1810, 1998, 2052, 2109, 2172, 2220, 2565, 2715, 2812, 3258, 3330, 3420, 3439, 3515, 3620, 3996, 4218, 4887, 4995, 5130, 5430, 6327, 6516, 6660, 6697, 6878, 7030, 8145, 8436, 9774, 9990, 10260, 10317, 10545, 10860, 12654, 13394, 13756, 14060, 16290, 17195, 18981, 19548, 19980, 20091, 20634, 21090, 24435, 25308, 26788, 30951, 31635, 32580, 33485, 34390, 37962, 40182, 41268, 42180, 48870, 51585, 60273, 61902, 63270, 66970, 68780, 75924, 80364, 92853, 94905, 97740, 100455, 103170, 120546, 123804, 126540, 127243, 133940, 154755, 180819, 185706, 189810, 200910, 206340, 241092, 254486, 301365, 309510, 361638, 371412, 379620, 381729, 401820, 464265, 508972, 602730, 619020, 636215, 723276, 763458, 904095, 928530, 1145187, 1205460, 1272430, 1526916, 1808190, 1857060, 1908645, 2290374, 2544860, 3435561, 3616380, 3817290, 4580748, 5725935, 6871122, 7634580, 11451870, 13742244, 17177805, 22903740, 34355610, 68711220]

約数ペア:

[(1, 68711220), (2, 34355610), (3, 22903740), (4, 17177805), (5, 13742244), (6, 11451870), (9, 7634580), (10, 6871122), (12, 5725935), (15, 4580748), (18, 3817290), (19, 3616380), (20, 3435561), (27, 2544860), (30, 2290374), (36, 1908645), (37, 1857060), (38, 1808190), (45, 1526916), (54, 1272430), (57, 1205460), (60, 1145187), (74, 928530), (76, 904095), (90, 763458), (95, 723276), (108, 636215), (111, 619020), (114, 602730), (135, 508972), (148, 464265), (171, 401820), (180, 381729), (181, 379620), (185, 371412), (190, 361638), (222, 309510), (228, 301365), (270, 254486), (285, 241092), (333, 206340), (342, 200910), (362, 189810), (370, 185706), (380, 180819), (444, 154755), (513, 133940), (540, 127243), (543, 126540), (555, 123804), (570, 120546), (666, 103170), (684, 100455), (703, 97740), (724, 94905), (740, 92853), (855, 80364), (905, 75924), (999, 68780), (1026, 66970), (1086, 63270), (1110, 61902), (1140, 60273), (1332, 51585), (1406, 48870), (1629, 42180), (1665, 41268), (1710, 40182), (1810, 37962), (1998, 34390), (2052, 33485), (2109, 32580), (2172, 31635), (2220, 30951), (2565, 26788), (2715, 25308), (2812, 24435), (3258, 21090), (3330, 20634), (3420, 20091), (3439, 19980), (3515, 19548), (3620, 18981), (3996, 17195), (4218, 16290), (4887, 14060), (4995, 13756), (5130, 13394), (5430, 12654), (6327, 10860), (6516, 10545), (6660, 10317), (6697, 10260), (6878, 9990), (7030, 9774), (8145, 8436)]