721057740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:432

約数の個数: 192

約数和(自身を含む): 2275983360

約数和(自身を除く): 1554925620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 29, 30, 39, 52, 58, 60, 65, 78, 87, 116, 127, 130, 145, 156, 174, 195, 251, 254, 260, 290, 348, 377, 381, 390, 435, 502, 508, 580, 635, 753, 754, 762, 780, 870, 1004, 1131, 1255, 1270, 1506, 1508, 1524, 1651, 1740, 1885, 1905, 2262, 2510, 2540, 3012, 3263, 3302, 3683, 3765, 3770, 3810, 4524, 4953, 5020, 5655, 6526, 6604, 7279, 7366, 7530, 7540, 7620, 8255, 9789, 9906, 11049, 11310, 13052, 14558, 14732, 15060, 16315, 16510, 18415, 19578, 19812, 21837, 22098, 22620, 24765, 29116, 31877, 32630, 33020, 36395, 36830, 39156, 43674, 44196, 47879, 48945, 49530, 55245, 63754, 65260, 72790, 73660, 87348, 94627, 95631, 95758, 97890, 99060, 109185, 110490, 127508, 143637, 145580, 159385, 189254, 191262, 191516, 195780, 218370, 220980, 239395, 283881, 287274, 318770, 378508, 382524, 414401, 436740, 473135, 478155, 478790, 567762, 574548, 637540, 718185, 828802, 924433, 946270, 956310, 957580, 1135524, 1243203, 1419405, 1436370, 1657604, 1848866, 1892540, 1912620, 2072005, 2486406, 2773299, 2838810, 2872740, 3697732, 4144010, 4622165, 4972812, 5546598, 5677620, 6216015, 8288020, 9244330, 11093196, 12017629, 12432030, 13866495, 18488660, 24035258, 24864060, 27732990, 36052887, 48070516, 55465980, 60088145, 72105774, 120176290, 144211548, 180264435, 240352580, 360528870, 721057740]

約数ペア:

[(1, 721057740), (2, 360528870), (3, 240352580), (4, 180264435), (5, 144211548), (6, 120176290), (10, 72105774), (12, 60088145), (13, 55465980), (15, 48070516), (20, 36052887), (26, 27732990), (29, 24864060), (30, 24035258), (39, 18488660), (52, 13866495), (58, 12432030), (60, 12017629), (65, 11093196), (78, 9244330), (87, 8288020), (116, 6216015), (127, 5677620), (130, 5546598), (145, 4972812), (156, 4622165), (174, 4144010), (195, 3697732), (251, 2872740), (254, 2838810), (260, 2773299), (290, 2486406), (348, 2072005), (377, 1912620), (381, 1892540), (390, 1848866), (435, 1657604), (502, 1436370), (508, 1419405), (580, 1243203), (635, 1135524), (753, 957580), (754, 956310), (762, 946270), (780, 924433), (870, 828802), (1004, 718185), (1131, 637540), (1255, 574548), (1270, 567762), (1506, 478790), (1508, 478155), (1524, 473135), (1651, 436740), (1740, 414401), (1885, 382524), (1905, 378508), (2262, 318770), (2510, 287274), (2540, 283881), (3012, 239395), (3263, 220980), (3302, 218370), (3683, 195780), (3765, 191516), (3770, 191262), (3810, 189254), (4524, 159385), (4953, 145580), (5020, 143637), (5655, 127508), (6526, 110490), (6604, 109185), (7279, 99060), (7366, 97890), (7530, 95758), (7540, 95631), (7620, 94627), (8255, 87348), (9789, 73660), (9906, 72790), (11049, 65260), (11310, 63754), (13052, 55245), (14558, 49530), (14732, 48945), (15060, 47879), (16315, 44196), (16510, 43674), (18415, 39156), (19578, 36830), (19812, 36395), (21837, 33020), (22098, 32630), (22620, 31877), (24765, 29116)]