278239260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1$

素因数の和:404

約数の個数: 192

約数和(自身を含む): 892329984

約数和(自身を除く): 614090724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 37, 39, 52, 60, 62, 65, 74, 78, 93, 111, 124, 130, 148, 155, 156, 185, 186, 195, 222, 260, 310, 311, 370, 372, 390, 403, 444, 465, 481, 555, 620, 622, 740, 780, 806, 930, 933, 962, 1110, 1147, 1209, 1244, 1443, 1555, 1612, 1860, 1866, 1924, 2015, 2220, 2294, 2405, 2418, 2886, 3110, 3441, 3732, 4030, 4043, 4588, 4665, 4810, 4836, 5735, 5772, 6045, 6220, 6882, 7215, 8060, 8086, 9330, 9620, 9641, 11470, 11507, 12090, 12129, 13764, 14430, 14911, 16172, 17205, 18660, 19282, 20215, 22940, 23014, 24180, 24258, 28860, 28923, 29822, 34410, 34521, 38564, 40430, 44733, 46028, 48205, 48516, 57535, 57846, 59644, 60645, 68820, 69042, 74555, 80860, 89466, 96410, 115070, 115692, 121290, 125333, 138084, 144615, 149110, 149591, 172605, 178932, 192820, 223665, 230140, 242580, 250666, 289230, 298220, 299182, 345210, 356717, 375999, 447330, 448773, 501332, 578460, 598364, 626665, 690420, 713434, 747955, 751998, 894660, 897546, 1070151, 1253330, 1426868, 1495910, 1503996, 1783585, 1795092, 1879995, 2140302, 2243865, 2506660, 2991820, 3567170, 3759990, 4280604, 4487730, 4637321, 5350755, 7134340, 7519980, 8975460, 9274642, 10701510, 13911963, 18549284, 21403020, 23186605, 27823926, 46373210, 55647852, 69559815, 92746420, 139119630, 278239260]

約数ペア:

[(1, 278239260), (2, 139119630), (3, 92746420), (4, 69559815), (5, 55647852), (6, 46373210), (10, 27823926), (12, 23186605), (13, 21403020), (15, 18549284), (20, 13911963), (26, 10701510), (30, 9274642), (31, 8975460), (37, 7519980), (39, 7134340), (52, 5350755), (60, 4637321), (62, 4487730), (65, 4280604), (74, 3759990), (78, 3567170), (93, 2991820), (111, 2506660), (124, 2243865), (130, 2140302), (148, 1879995), (155, 1795092), (156, 1783585), (185, 1503996), (186, 1495910), (195, 1426868), (222, 1253330), (260, 1070151), (310, 897546), (311, 894660), (370, 751998), (372, 747955), (390, 713434), (403, 690420), (444, 626665), (465, 598364), (481, 578460), (555, 501332), (620, 448773), (622, 447330), (740, 375999), (780, 356717), (806, 345210), (930, 299182), (933, 298220), (962, 289230), (1110, 250666), (1147, 242580), (1209, 230140), (1244, 223665), (1443, 192820), (1555, 178932), (1612, 172605), (1860, 149591), (1866, 149110), (1924, 144615), (2015, 138084), (2220, 125333), (2294, 121290), (2405, 115692), (2418, 115070), (2886, 96410), (3110, 89466), (3441, 80860), (3732, 74555), (4030, 69042), (4043, 68820), (4588, 60645), (4665, 59644), (4810, 57846), (4836, 57535), (5735, 48516), (5772, 48205), (6045, 46028), (6220, 44733), (6882, 40430), (7215, 38564), (8060, 34521), (8086, 34410), (9330, 29822), (9620, 28923), (9641, 28860), (11470, 24258), (11507, 24180), (12090, 23014), (12129, 22940), (13764, 20215), (14430, 19282), (14911, 18660), (16172, 17205)]