258221520

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{359}}^1$

素因数の和:424

約数の個数: 240

約数和(自身を含む): 926190720

約数和(自身を除く): 667969200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 37, 40, 45, 48, 54, 60, 72, 74, 80, 81, 90, 108, 111, 120, 135, 144, 148, 162, 180, 185, 216, 222, 240, 243, 270, 296, 324, 333, 359, 360, 370, 405, 432, 444, 486, 540, 555, 592, 648, 666, 718, 720, 740, 810, 888, 972, 999, 1077, 1080, 1110, 1215, 1296, 1332, 1436, 1480, 1620, 1665, 1776, 1795, 1944, 1998, 2154, 2160, 2220, 2430, 2664, 2872, 2960, 2997, 3231, 3240, 3330, 3590, 3888, 3996, 4308, 4440, 4860, 4995, 5328, 5385, 5744, 5994, 6462, 6480, 6660, 7180, 7992, 8616, 8880, 8991, 9693, 9720, 9990, 10770, 11988, 12924, 13283, 13320, 14360, 14985, 15984, 16155, 17232, 17982, 19386, 19440, 19980, 21540, 23976, 25848, 26566, 26640, 28720, 29079, 29970, 32310, 35964, 38772, 39849, 39960, 43080, 44955, 47952, 48465, 51696, 53132, 58158, 59940, 64620, 66415, 71928, 77544, 79698, 79920, 86160, 87237, 89910, 96930, 106264, 116316, 119547, 119880, 129240, 132830, 143856, 145395, 155088, 159396, 174474, 179820, 193860, 199245, 212528, 232632, 239094, 239760, 258480, 265660, 290790, 318792, 348948, 358641, 359640, 387720, 398490, 436185, 465264, 478188, 531320, 581580, 597735, 637584, 697896, 717282, 719280, 775440, 796980, 872370, 956376, 1062640, 1075923, 1163160, 1195470, 1395792, 1434564, 1593960, 1744740, 1793205, 1912752, 2151846, 2326320, 2390940, 2869128, 3187920, 3227769, 3489480, 3586410, 4303692, 4781880, 5379615, 5738256, 6455538, 6978960, 7172820, 8607384, 9563760, 10759230, 12911076, 14345640, 16138845, 17214768, 21518460, 25822152, 28691280, 32277690, 43036920, 51644304, 64555380, 86073840, 129110760, 258221520]

約数ペア:

[(1, 258221520), (2, 129110760), (3, 86073840), (4, 64555380), (5, 51644304), (6, 43036920), (8, 32277690), (9, 28691280), (10, 25822152), (12, 21518460), (15, 17214768), (16, 16138845), (18, 14345640), (20, 12911076), (24, 10759230), (27, 9563760), (30, 8607384), (36, 7172820), (37, 6978960), (40, 6455538), (45, 5738256), (48, 5379615), (54, 4781880), (60, 4303692), (72, 3586410), (74, 3489480), (80, 3227769), (81, 3187920), (90, 2869128), (108, 2390940), (111, 2326320), (120, 2151846), (135, 1912752), (144, 1793205), (148, 1744740), (162, 1593960), (180, 1434564), (185, 1395792), (216, 1195470), (222, 1163160), (240, 1075923), (243, 1062640), (270, 956376), (296, 872370), (324, 796980), (333, 775440), (359, 719280), (360, 717282), (370, 697896), (405, 637584), (432, 597735), (444, 581580), (486, 531320), (540, 478188), (555, 465264), (592, 436185), (648, 398490), (666, 387720), (718, 359640), (720, 358641), (740, 348948), (810, 318792), (888, 290790), (972, 265660), (999, 258480), (1077, 239760), (1080, 239094), (1110, 232632), (1215, 212528), (1296, 199245), (1332, 193860), (1436, 179820), (1480, 174474), (1620, 159396), (1665, 155088), (1776, 145395), (1795, 143856), (1944, 132830), (1998, 129240), (2154, 119880), (2160, 119547), (2220, 116316), (2430, 106264), (2664, 96930), (2872, 89910), (2960, 87237), (2997, 86160), (3231, 79920), (3240, 79698), (3330, 77544), (3590, 71928), (3888, 66415), (3996, 64620), (4308, 59940), (4440, 58158), (4860, 53132), (4995, 51696), (5328, 48465), (5385, 47952), (5744, 44955), (5994, 43080), (6462, 39960), (6480, 39849), (6660, 38772), (7180, 35964), (7992, 32310), (8616, 29970), (8880, 29079), (8991, 28720), (9693, 26640), (9720, 26566), (9990, 25848), (10770, 23976), (11988, 21540), (12924, 19980), (13283, 19440), (13320, 19386), (14360, 17982), (14985, 17232), (15984, 16155)]