256635540

素因数分解:

$2^2\times 3^4\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:149

約数の個数: 360

約数和(自身を含む): 969828552

約数和(自身を除く): 713193012

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 53, 54, 60, 61, 63, 70, 81, 84, 90, 98, 105, 106, 108, 122, 126, 135, 140, 147, 159, 162, 180, 183, 189, 196, 210, 212, 244, 245, 252, 265, 270, 294, 305, 315, 318, 324, 366, 371, 378, 405, 420, 427, 441, 477, 490, 530, 540, 549, 567, 588, 610, 630, 636, 732, 735, 742, 756, 795, 810, 854, 882, 915, 945, 954, 980, 1060, 1098, 1113, 1134, 1220, 1260, 1281, 1323, 1431, 1470, 1484, 1590, 1620, 1647, 1708, 1764, 1830, 1855, 1890, 1908, 2135, 2196, 2205, 2226, 2268, 2385, 2562, 2597, 2646, 2745, 2835, 2862, 2940, 2989, 3180, 3233, 3294, 3339, 3660, 3710, 3780, 3843, 3969, 4270, 4293, 4410, 4452, 4770, 4941, 5124, 5194, 5292, 5490, 5565, 5670, 5724, 5978, 6405, 6466, 6588, 6615, 6678, 7155, 7420, 7686, 7791, 7938, 8235, 8540, 8586, 8820, 8967, 9540, 9699, 9882, 10017, 10388, 10980, 11130, 11340, 11529, 11956, 12810, 12932, 12985, 13230, 13356, 14310, 14945, 15372, 15582, 15876, 16165, 16470, 16695, 17172, 17934, 19215, 19398, 19764, 19845, 20034, 21465, 22260, 22631, 23058, 23373, 24705, 25620, 25970, 26460, 26901, 28620, 29097, 29890, 30051, 31164, 32330, 32940, 33390, 34587, 35868, 38430, 38796, 38955, 39690, 40068, 42930, 44835, 45262, 46116, 46746, 48495, 49410, 50085, 51940, 53802, 57645, 58194, 59780, 60102, 64660, 66780, 67893, 69174, 70119, 76860, 77910, 79380, 80703, 85860, 87291, 89670, 90524, 93492, 96990, 98820, 100170, 107604, 113155, 115290, 116388, 116865, 120204, 134505, 135786, 138348, 140238, 145485, 150255, 155820, 158417, 161406, 172935, 174582, 179340, 193980, 200340, 203679, 210357, 226310, 230580, 233730, 242109, 261873, 269010, 271572, 280476, 290970, 300510, 316834, 322812, 339465, 345870, 349164, 350595, 403515, 407358, 420714, 436455, 452620, 467460, 475251, 484218, 523746, 538020, 581940, 601020, 611037, 633668, 678930, 691740, 701190, 792085, 807030, 814716, 841428, 872910, 950502, 968436, 1018395, 1047492, 1051785, 1210545, 1222074, 1309365, 1357860, 1402380, 1425753, 1584170, 1614060, 1745820, 1833111, 1901004, 2036790, 2103570, 2376255, 2421090, 2444148, 2618730, 2851506, 3055185, 3168340, 3666222, 4073580, 4207140, 4277259, 4752510, 4842180, 5237460, 5703012, 6110370, 7128765, 7332444, 8554518, 9165555, 9505020, 12220740, 12831777, 14257530, 17109036, 18331110, 21386295, 25663554, 28515060, 36662220, 42772590, 51327108, 64158885, 85545180, 128317770, 256635540]

約数ペア:

[(1, 256635540), (2, 128317770), (3, 85545180), (4, 64158885), (5, 51327108), (6, 42772590), (7, 36662220), (9, 28515060), (10, 25663554), (12, 21386295), (14, 18331110), (15, 17109036), (18, 14257530), (20, 12831777), (21, 12220740), (27, 9505020), (28, 9165555), (30, 8554518), (35, 7332444), (36, 7128765), (42, 6110370), (45, 5703012), (49, 5237460), (53, 4842180), (54, 4752510), (60, 4277259), (61, 4207140), (63, 4073580), (70, 3666222), (81, 3168340), (84, 3055185), (90, 2851506), (98, 2618730), (105, 2444148), (106, 2421090), (108, 2376255), (122, 2103570), (126, 2036790), (135, 1901004), (140, 1833111), (147, 1745820), (159, 1614060), (162, 1584170), (180, 1425753), (183, 1402380), (189, 1357860), (196, 1309365), (210, 1222074), (212, 1210545), (244, 1051785), (245, 1047492), (252, 1018395), (265, 968436), (270, 950502), (294, 872910), (305, 841428), (315, 814716), (318, 807030), (324, 792085), (366, 701190), (371, 691740), (378, 678930), (405, 633668), (420, 611037), (427, 601020), (441, 581940), (477, 538020), (490, 523746), (530, 484218), (540, 475251), (549, 467460), (567, 452620), (588, 436455), (610, 420714), (630, 407358), (636, 403515), (732, 350595), (735, 349164), (742, 345870), (756, 339465), (795, 322812), (810, 316834), (854, 300510), (882, 290970), (915, 280476), (945, 271572), (954, 269010), (980, 261873), (1060, 242109), (1098, 233730), (1113, 230580), (1134, 226310), (1220, 210357), (1260, 203679), (1281, 200340), (1323, 193980), (1431, 179340), (1470, 174582), (1484, 172935), (1590, 161406), (1620, 158417), (1647, 155820), (1708, 150255), (1764, 145485), (1830, 140238), (1855, 138348), (1890, 135786), (1908, 134505), (2135, 120204), (2196, 116865), (2205, 116388), (2226, 115290), (2268, 113155), (2385, 107604), (2562, 100170), (2597, 98820), (2646, 96990), (2745, 93492), (2835, 90524), (2862, 89670), (2940, 87291), (2989, 85860), (3180, 80703), (3233, 79380), (3294, 77910), (3339, 76860), (3660, 70119), (3710, 69174), (3780, 67893), (3843, 66780), (3969, 64660), (4270, 60102), (4293, 59780), (4410, 58194), (4452, 57645), (4770, 53802), (4941, 51940), (5124, 50085), (5194, 49410), (5292, 48495), (5490, 46746), (5565, 46116), (5670, 45262), (5724, 44835), (5978, 42930), (6405, 40068), (6466, 39690), (6588, 38955), (6615, 38796), (6678, 38430), (7155, 35868), (7420, 34587), (7686, 33390), (7791, 32940), (7938, 32330), (8235, 31164), (8540, 30051), (8586, 29890), (8820, 29097), (8967, 28620), (9540, 26901), (9699, 26460), (9882, 25970), (10017, 25620), (10388, 24705), (10980, 23373), (11130, 23058), (11340, 22631), (11529, 22260), (11956, 21465), (12810, 20034), (12932, 19845), (12985, 19764), (13230, 19398), (13356, 19215), (14310, 17934), (14945, 17172), (15372, 16695), (15582, 16470), (15876, 16165)]