240557520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{149}}^1$

素因数の和:234

約数の個数: 240

約数和(自身を含む): 886550400

約数和(自身を除く): 645992880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 140, 149, 155, 168, 186, 210, 217, 240, 248, 280, 298, 310, 336, 372, 420, 434, 447, 465, 496, 560, 596, 620, 651, 744, 745, 840, 868, 894, 930, 961, 1043, 1085, 1192, 1240, 1302, 1488, 1490, 1680, 1736, 1788, 1860, 1922, 2086, 2170, 2235, 2384, 2480, 2604, 2883, 2980, 3129, 3255, 3472, 3576, 3720, 3844, 4172, 4340, 4470, 4619, 4805, 5208, 5215, 5766, 5960, 6258, 6510, 6727, 7152, 7440, 7688, 8344, 8680, 8940, 9238, 9610, 10416, 10430, 11532, 11920, 12516, 13020, 13454, 13857, 14415, 15376, 15645, 16688, 17360, 17880, 18476, 19220, 20181, 20860, 23064, 23095, 25032, 26040, 26908, 27714, 28830, 31290, 32333, 33635, 35760, 36952, 38440, 40362, 41720, 46128, 46190, 50064, 52080, 53816, 55428, 57660, 62580, 64666, 67270, 69285, 73904, 76880, 80724, 83440, 92380, 96999, 100905, 107632, 110856, 115320, 125160, 129332, 134540, 138570, 143189, 161448, 161665, 184760, 193998, 201810, 221712, 230640, 250320, 258664, 269080, 277140, 286378, 322896, 323330, 369520, 387996, 403620, 429567, 484995, 517328, 538160, 554280, 572756, 646660, 715945, 775992, 807240, 859134, 969990, 1002323, 1108560, 1145512, 1293320, 1431890, 1551984, 1614480, 1718268, 1939980, 2004646, 2147835, 2291024, 2586640, 2863780, 3006969, 3436536, 3879960, 4009292, 4295670, 5011615, 5727560, 6013938, 6873072, 7759920, 8018584, 8591340, 10023230, 11455120, 12027876, 15034845, 16037168, 17182680, 20046460, 24055752, 30069690, 34365360, 40092920, 48111504, 60139380, 80185840, 120278760, 240557520]

約数ペア:

[(1, 240557520), (2, 120278760), (3, 80185840), (4, 60139380), (5, 48111504), (6, 40092920), (7, 34365360), (8, 30069690), (10, 24055752), (12, 20046460), (14, 17182680), (15, 16037168), (16, 15034845), (20, 12027876), (21, 11455120), (24, 10023230), (28, 8591340), (30, 8018584), (31, 7759920), (35, 6873072), (40, 6013938), (42, 5727560), (48, 5011615), (56, 4295670), (60, 4009292), (62, 3879960), (70, 3436536), (80, 3006969), (84, 2863780), (93, 2586640), (105, 2291024), (112, 2147835), (120, 2004646), (124, 1939980), (140, 1718268), (149, 1614480), (155, 1551984), (168, 1431890), (186, 1293320), (210, 1145512), (217, 1108560), (240, 1002323), (248, 969990), (280, 859134), (298, 807240), (310, 775992), (336, 715945), (372, 646660), (420, 572756), (434, 554280), (447, 538160), (465, 517328), (496, 484995), (560, 429567), (596, 403620), (620, 387996), (651, 369520), (744, 323330), (745, 322896), (840, 286378), (868, 277140), (894, 269080), (930, 258664), (961, 250320), (1043, 230640), (1085, 221712), (1192, 201810), (1240, 193998), (1302, 184760), (1488, 161665), (1490, 161448), (1680, 143189), (1736, 138570), (1788, 134540), (1860, 129332), (1922, 125160), (2086, 115320), (2170, 110856), (2235, 107632), (2384, 100905), (2480, 96999), (2604, 92380), (2883, 83440), (2980, 80724), (3129, 76880), (3255, 73904), (3472, 69285), (3576, 67270), (3720, 64666), (3844, 62580), (4172, 57660), (4340, 55428), (4470, 53816), (4619, 52080), (4805, 50064), (5208, 46190), (5215, 46128), (5766, 41720), (5960, 40362), (6258, 38440), (6510, 36952), (6727, 35760), (7152, 33635), (7440, 32333), (7688, 31290), (8344, 28830), (8680, 27714), (8940, 26908), (9238, 26040), (9610, 25032), (10416, 23095), (10430, 23064), (11532, 20860), (11920, 20181), (12516, 19220), (13020, 18476), (13454, 17880), (13857, 17360), (14415, 16688), (15376, 15645)]