253382220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:565

約数の個数: 288

約数和(自身を含む): 978432000

約数和(自身を除く): 725049780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 31, 35, 36, 39, 42, 45, 52, 60, 62, 63, 65, 70, 78, 84, 90, 91, 93, 105, 117, 124, 126, 130, 140, 155, 156, 180, 182, 186, 195, 210, 217, 234, 252, 260, 273, 279, 310, 315, 364, 372, 390, 403, 420, 434, 455, 465, 468, 499, 546, 558, 585, 620, 630, 651, 780, 806, 819, 868, 910, 930, 998, 1085, 1092, 1116, 1170, 1209, 1260, 1302, 1365, 1395, 1497, 1612, 1638, 1820, 1860, 1953, 1996, 2015, 2170, 2340, 2418, 2495, 2604, 2730, 2790, 2821, 2994, 3255, 3276, 3493, 3627, 3906, 4030, 4095, 4340, 4491, 4836, 4990, 5460, 5580, 5642, 5988, 6045, 6487, 6510, 6986, 7254, 7485, 7812, 8060, 8190, 8463, 8982, 9765, 9980, 10479, 11284, 12090, 12974, 13020, 13972, 14105, 14508, 14970, 15469, 16380, 16926, 17465, 17964, 18135, 19461, 19530, 20958, 22455, 24180, 25389, 25948, 28210, 29940, 30938, 31437, 32435, 33852, 34930, 36270, 38922, 39060, 41916, 42315, 44910, 45409, 46407, 50778, 52395, 56420, 58383, 61876, 62874, 64870, 69860, 72540, 77345, 77844, 84630, 89820, 90818, 92814, 97305, 101556, 104790, 108283, 116766, 125748, 126945, 129740, 136227, 139221, 154690, 157185, 169260, 181636, 185628, 194610, 201097, 209580, 216566, 227045, 232035, 233532, 253890, 272454, 278442, 291915, 309380, 314370, 324849, 389220, 402194, 408681, 433132, 454090, 464070, 507780, 541415, 544908, 556884, 583830, 603291, 628740, 649698, 681135, 696105, 804388, 817362, 908180, 928140, 974547, 1005485, 1082830, 1167660, 1206582, 1299396, 1362270, 1392210, 1407679, 1624245, 1634724, 1809873, 1949094, 2010970, 2043405, 2165660, 2413164, 2724540, 2784420, 2815358, 3016455, 3248490, 3619746, 3898188, 4021940, 4086810, 4223037, 4872735, 5630716, 6032910, 6496980, 7038395, 7239492, 8173620, 8446074, 9049365, 9745470, 12065820, 12669111, 14076790, 16892148, 18098730, 19490940, 21115185, 25338222, 28153580, 36197460, 42230370, 50676444, 63345555, 84460740, 126691110, 253382220]

約数ペア:

[(1, 253382220), (2, 126691110), (3, 84460740), (4, 63345555), (5, 50676444), (6, 42230370), (7, 36197460), (9, 28153580), (10, 25338222), (12, 21115185), (13, 19490940), (14, 18098730), (15, 16892148), (18, 14076790), (20, 12669111), (21, 12065820), (26, 9745470), (28, 9049365), (30, 8446074), (31, 8173620), (35, 7239492), (36, 7038395), (39, 6496980), (42, 6032910), (45, 5630716), (52, 4872735), (60, 4223037), (62, 4086810), (63, 4021940), (65, 3898188), (70, 3619746), (78, 3248490), (84, 3016455), (90, 2815358), (91, 2784420), (93, 2724540), (105, 2413164), (117, 2165660), (124, 2043405), (126, 2010970), (130, 1949094), (140, 1809873), (155, 1634724), (156, 1624245), (180, 1407679), (182, 1392210), (186, 1362270), (195, 1299396), (210, 1206582), (217, 1167660), (234, 1082830), (252, 1005485), (260, 974547), (273, 928140), (279, 908180), (310, 817362), (315, 804388), (364, 696105), (372, 681135), (390, 649698), (403, 628740), (420, 603291), (434, 583830), (455, 556884), (465, 544908), (468, 541415), (499, 507780), (546, 464070), (558, 454090), (585, 433132), (620, 408681), (630, 402194), (651, 389220), (780, 324849), (806, 314370), (819, 309380), (868, 291915), (910, 278442), (930, 272454), (998, 253890), (1085, 233532), (1092, 232035), (1116, 227045), (1170, 216566), (1209, 209580), (1260, 201097), (1302, 194610), (1365, 185628), (1395, 181636), (1497, 169260), (1612, 157185), (1638, 154690), (1820, 139221), (1860, 136227), (1953, 129740), (1996, 126945), (2015, 125748), (2170, 116766), (2340, 108283), (2418, 104790), (2495, 101556), (2604, 97305), (2730, 92814), (2790, 90818), (2821, 89820), (2994, 84630), (3255, 77844), (3276, 77345), (3493, 72540), (3627, 69860), (3906, 64870), (4030, 62874), (4095, 61876), (4340, 58383), (4491, 56420), (4836, 52395), (4990, 50778), (5460, 46407), (5580, 45409), (5642, 44910), (5988, 42315), (6045, 41916), (6487, 39060), (6510, 38922), (6986, 36270), (7254, 34930), (7485, 33852), (7812, 32435), (8060, 31437), (8190, 30938), (8463, 29940), (8982, 28210), (9765, 25948), (9980, 25389), (10479, 24180), (11284, 22455), (12090, 20958), (12974, 19530), (13020, 19461), (13972, 18135), (14105, 17964), (14508, 17465), (14970, 16926), (15469, 16380)]