440278020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{26879}}^1$

素因数の和:26914

約数の個数: 144

約数和(自身を含む): 1643765760

約数和(自身を除く): 1203487740

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 16380, 26879, 53758, 80637, 107516, 134395, 161274, 188153, 241911, 268790, 322548, 349427, 376306, 403185, 483822, 537580, 564459, 698854, 752612, 806370, 940765, 967644, 1048281, 1128918, 1209555, 1397708, 1612740, 1693377, 1747135, 1881530, 2096562, 2257836, 2419110, 2445989, 2822295, 3144843, 3386754, 3494270, 3763060, 4193124, 4838220, 4891978, 5241405, 5644590, 6289686, 6773508, 6988540, 7337967, 8466885, 9783956, 10482810, 11289180, 12229945, 12579372, 14675934, 15724215, 16933770, 20965620, 22013901, 24459890, 29351868, 31448430, 33867540, 36689835, 44027802, 48919780, 62896860, 73379670, 88055604, 110069505, 146759340, 220139010, 440278020]

約数ペア:

[(1, 440278020), (2, 220139010), (3, 146759340), (4, 110069505), (5, 88055604), (6, 73379670), (7, 62896860), (9, 48919780), (10, 44027802), (12, 36689835), (13, 33867540), (14, 31448430), (15, 29351868), (18, 24459890), (20, 22013901), (21, 20965620), (26, 16933770), (28, 15724215), (30, 14675934), (35, 12579372), (36, 12229945), (39, 11289180), (42, 10482810), (45, 9783956), (52, 8466885), (60, 7337967), (63, 6988540), (65, 6773508), (70, 6289686), (78, 5644590), (84, 5241405), (90, 4891978), (91, 4838220), (105, 4193124), (117, 3763060), (126, 3494270), (130, 3386754), (140, 3144843), (156, 2822295), (180, 2445989), (182, 2419110), (195, 2257836), (210, 2096562), (234, 1881530), (252, 1747135), (260, 1693377), (273, 1612740), (315, 1397708), (364, 1209555), (390, 1128918), (420, 1048281), (455, 967644), (468, 940765), (546, 806370), (585, 752612), (630, 698854), (780, 564459), (819, 537580), (910, 483822), (1092, 403185), (1170, 376306), (1260, 349427), (1365, 322548), (1638, 268790), (1820, 241911), (2340, 188153), (2730, 161274), (3276, 134395), (4095, 107516), (5460, 80637), (8190, 53758), (16380, 26879)]