1961011920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{6449}}^1$

素因数の和:6653

約数の個数: 160

約数和(自身を含む): 6987052800

約数和(自身を除く): 5026040880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 181, 210, 240, 280, 336, 362, 420, 543, 560, 724, 840, 905, 1086, 1267, 1448, 1680, 1810, 2172, 2534, 2715, 2896, 3620, 3801, 4344, 5068, 5430, 6335, 6449, 7240, 7602, 8688, 10136, 10860, 12670, 12898, 14480, 15204, 19005, 19347, 20272, 21720, 25340, 25796, 30408, 32245, 38010, 38694, 43440, 45143, 50680, 51592, 60816, 64490, 76020, 77388, 90286, 96735, 101360, 103184, 128980, 135429, 152040, 154776, 180572, 193470, 225715, 257960, 270858, 304080, 309552, 361144, 386940, 451430, 515920, 541716, 677145, 722288, 773880, 902860, 1083432, 1167269, 1354290, 1547760, 1805720, 2166864, 2334538, 2708580, 3501807, 3611440, 4669076, 5417160, 5836345, 7003614, 8170883, 9338152, 10834320, 11672690, 14007228, 16341766, 17509035, 18676304, 23345380, 24512649, 28014456, 32683532, 35018070, 40854415, 46690760, 49025298, 56028912, 65367064, 70036140, 81708830, 93381520, 98050596, 122563245, 130734128, 140072280, 163417660, 196101192, 245126490, 280144560, 326835320, 392202384, 490252980, 653670640, 980505960, 1961011920]

約数ペア:

[(1, 1961011920), (2, 980505960), (3, 653670640), (4, 490252980), (5, 392202384), (6, 326835320), (7, 280144560), (8, 245126490), (10, 196101192), (12, 163417660), (14, 140072280), (15, 130734128), (16, 122563245), (20, 98050596), (21, 93381520), (24, 81708830), (28, 70036140), (30, 65367064), (35, 56028912), (40, 49025298), (42, 46690760), (48, 40854415), (56, 35018070), (60, 32683532), (70, 28014456), (80, 24512649), (84, 23345380), (105, 18676304), (112, 17509035), (120, 16341766), (140, 14007228), (168, 11672690), (181, 10834320), (210, 9338152), (240, 8170883), (280, 7003614), (336, 5836345), (362, 5417160), (420, 4669076), (543, 3611440), (560, 3501807), (724, 2708580), (840, 2334538), (905, 2166864), (1086, 1805720), (1267, 1547760), (1448, 1354290), (1680, 1167269), (1810, 1083432), (2172, 902860), (2534, 773880), (2715, 722288), (2896, 677145), (3620, 541716), (3801, 515920), (4344, 451430), (5068, 386940), (5430, 361144), (6335, 309552), (6449, 304080), (7240, 270858), (7602, 257960), (8688, 225715), (10136, 193470), (10860, 180572), (12670, 154776), (12898, 152040), (14480, 135429), (15204, 128980), (19005, 103184), (19347, 101360), (20272, 96735), (21720, 90286), (25340, 77388), (25796, 76020), (30408, 64490), (32245, 60816), (38010, 51592), (38694, 50680), (43440, 45143)]