251312880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1$

素因数の和:384

約数の個数: 320

約数和(自身を含む): 987936768

約数和(自身を除く): 736623888

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 37, 39, 40, 42, 48, 52, 56, 60, 65, 70, 74, 78, 80, 84, 91, 104, 105, 111, 112, 120, 130, 140, 148, 156, 168, 182, 185, 195, 208, 210, 222, 240, 259, 260, 273, 280, 296, 311, 312, 336, 364, 370, 390, 420, 444, 455, 481, 518, 520, 546, 555, 560, 592, 622, 624, 728, 740, 777, 780, 840, 888, 910, 933, 962, 1036, 1040, 1092, 1110, 1244, 1295, 1365, 1443, 1456, 1480, 1554, 1555, 1560, 1680, 1776, 1820, 1866, 1924, 2072, 2177, 2184, 2220, 2405, 2488, 2590, 2730, 2886, 2960, 3108, 3110, 3120, 3367, 3640, 3732, 3848, 3885, 4043, 4144, 4354, 4368, 4440, 4665, 4810, 4976, 5180, 5460, 5772, 6216, 6220, 6531, 6734, 7215, 7280, 7464, 7696, 7770, 8086, 8708, 8880, 9330, 9620, 10101, 10360, 10885, 10920, 11507, 11544, 12129, 12432, 12440, 13062, 13468, 14430, 14928, 15540, 16172, 16835, 17416, 18660, 19240, 20202, 20215, 20720, 21770, 21840, 23014, 23088, 24258, 24880, 26124, 26936, 28301, 28860, 31080, 32344, 32655, 33670, 34521, 34832, 37320, 38480, 40404, 40430, 43540, 46028, 48516, 50505, 52248, 53872, 56602, 57535, 57720, 60645, 62160, 64688, 65310, 67340, 69042, 74640, 80549, 80808, 80860, 84903, 87080, 92056, 97032, 101010, 104496, 113204, 115070, 115440, 121290, 130620, 134680, 138084, 141505, 149591, 161098, 161616, 161720, 169806, 172605, 174160, 184112, 194064, 202020, 226408, 230140, 241647, 242580, 261240, 269360, 276168, 283010, 299182, 322196, 323440, 339612, 345210, 402745, 404040, 424515, 448773, 452816, 460280, 483294, 485160, 522480, 552336, 566020, 598364, 644392, 679224, 690420, 747955, 805490, 808080, 849030, 897546, 920560, 966588, 970320, 1047137, 1132040, 1196728, 1208235, 1288784, 1358448, 1380840, 1495910, 1610980, 1698060, 1795092, 1933176, 2094274, 2243865, 2264080, 2393456, 2416470, 2761680, 2991820, 3141411, 3221960, 3396120, 3590184, 3866352, 4188548, 4487730, 4832940, 5235685, 5983640, 6282822, 6443920, 6792240, 7180368, 8377096, 8975460, 9665880, 10471370, 11967280, 12565644, 15707055, 16754192, 17950920, 19331760, 20942740, 25131288, 31414110, 35901840, 41885480, 50262576, 62828220, 83770960, 125656440, 251312880]

約数ペア:

[(1, 251312880), (2, 125656440), (3, 83770960), (4, 62828220), (5, 50262576), (6, 41885480), (7, 35901840), (8, 31414110), (10, 25131288), (12, 20942740), (13, 19331760), (14, 17950920), (15, 16754192), (16, 15707055), (20, 12565644), (21, 11967280), (24, 10471370), (26, 9665880), (28, 8975460), (30, 8377096), (35, 7180368), (37, 6792240), (39, 6443920), (40, 6282822), (42, 5983640), (48, 5235685), (52, 4832940), (56, 4487730), (60, 4188548), (65, 3866352), (70, 3590184), (74, 3396120), (78, 3221960), (80, 3141411), (84, 2991820), (91, 2761680), (104, 2416470), (105, 2393456), (111, 2264080), (112, 2243865), (120, 2094274), (130, 1933176), (140, 1795092), (148, 1698060), (156, 1610980), (168, 1495910), (182, 1380840), (185, 1358448), (195, 1288784), (208, 1208235), (210, 1196728), (222, 1132040), (240, 1047137), (259, 970320), (260, 966588), (273, 920560), (280, 897546), (296, 849030), (311, 808080), (312, 805490), (336, 747955), (364, 690420), (370, 679224), (390, 644392), (420, 598364), (444, 566020), (455, 552336), (481, 522480), (518, 485160), (520, 483294), (546, 460280), (555, 452816), (560, 448773), (592, 424515), (622, 404040), (624, 402745), (728, 345210), (740, 339612), (777, 323440), (780, 322196), (840, 299182), (888, 283010), (910, 276168), (933, 269360), (962, 261240), (1036, 242580), (1040, 241647), (1092, 230140), (1110, 226408), (1244, 202020), (1295, 194064), (1365, 184112), (1443, 174160), (1456, 172605), (1480, 169806), (1554, 161720), (1555, 161616), (1560, 161098), (1680, 149591), (1776, 141505), (1820, 138084), (1866, 134680), (1924, 130620), (2072, 121290), (2177, 115440), (2184, 115070), (2220, 113204), (2405, 104496), (2488, 101010), (2590, 97032), (2730, 92056), (2886, 87080), (2960, 84903), (3108, 80860), (3110, 80808), (3120, 80549), (3367, 74640), (3640, 69042), (3732, 67340), (3848, 65310), (3885, 64688), (4043, 62160), (4144, 60645), (4354, 57720), (4368, 57535), (4440, 56602), (4665, 53872), (4810, 52248), (4976, 50505), (5180, 48516), (5460, 46028), (5772, 43540), (6216, 40430), (6220, 40404), (6531, 38480), (6734, 37320), (7215, 34832), (7280, 34521), (7464, 33670), (7696, 32655), (7770, 32344), (8086, 31080), (8708, 28860), (8880, 28301), (9330, 26936), (9620, 26124), (10101, 24880), (10360, 24258), (10885, 23088), (10920, 23014), (11507, 21840), (11544, 21770), (12129, 20720), (12432, 20215), (12440, 20202), (13062, 19240), (13468, 18660), (14430, 17416), (14928, 16835), (15540, 16172)]