64915830

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{107}}^2$

素因数の和:240

約数の個数: 120

約数和(自身を含む): 201369168

約数和(自身を除く): 136453338

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 81, 90, 105, 107, 126, 135, 162, 189, 210, 214, 270, 315, 321, 378, 405, 535, 567, 630, 642, 749, 810, 945, 963, 1070, 1134, 1498, 1605, 1890, 1926, 2247, 2835, 2889, 3210, 3745, 4494, 4815, 5670, 5778, 6741, 7490, 8667, 9630, 11235, 11449, 13482, 14445, 17334, 20223, 22470, 22898, 28890, 33705, 34347, 40446, 43335, 57245, 60669, 67410, 68694, 80143, 86670, 101115, 103041, 114490, 121338, 160286, 171735, 202230, 206082, 240429, 303345, 309123, 343470, 400715, 480858, 515205, 606690, 618246, 721287, 801430, 927369, 1030410, 1202145, 1442574, 1545615, 1854738, 2163861, 2404290, 3091230, 3606435, 4327722, 4636845, 6491583, 7212870, 9273690, 10819305, 12983166, 21638610, 32457915, 64915830]

約数ペア:

[(1, 64915830), (2, 32457915), (3, 21638610), (5, 12983166), (6, 10819305), (7, 9273690), (9, 7212870), (10, 6491583), (14, 4636845), (15, 4327722), (18, 3606435), (21, 3091230), (27, 2404290), (30, 2163861), (35, 1854738), (42, 1545615), (45, 1442574), (54, 1202145), (63, 1030410), (70, 927369), (81, 801430), (90, 721287), (105, 618246), (107, 606690), (126, 515205), (135, 480858), (162, 400715), (189, 343470), (210, 309123), (214, 303345), (270, 240429), (315, 206082), (321, 202230), (378, 171735), (405, 160286), (535, 121338), (567, 114490), (630, 103041), (642, 101115), (749, 86670), (810, 80143), (945, 68694), (963, 67410), (1070, 60669), (1134, 57245), (1498, 43335), (1605, 40446), (1890, 34347), (1926, 33705), (2247, 28890), (2835, 22898), (2889, 22470), (3210, 20223), (3745, 17334), (4494, 14445), (4815, 13482), (5670, 11449), (5778, 11235), (6741, 9630), (7490, 8667)]