20161121175

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:507

約数の個数: 216

約数和(自身を含む): 41417438400

約数和(自身を除く): 21256317225

約数列:

[1, 3, 5, 9, 13, 15, 25, 29, 39, 45, 47, 65, 75, 87, 117, 141, 145, 169, 195, 225, 235, 261, 325, 377, 389, 423, 435, 507, 585, 611, 705, 725, 845, 975, 1131, 1167, 1175, 1305, 1363, 1521, 1833, 1885, 1945, 2115, 2175, 2535, 2925, 3055, 3393, 3501, 3525, 4089, 4225, 4901, 5057, 5499, 5655, 5835, 6525, 6815, 7605, 7943, 9165, 9425, 9725, 10575, 11281, 12267, 12675, 14703, 15171, 15275, 16965, 17505, 17719, 18283, 20445, 23829, 24505, 25285, 27495, 28275, 29175, 33843, 34075, 38025, 39715, 44109, 45513, 45825, 53157, 54849, 56405, 61335, 65741, 71487, 73515, 75855, 84825, 87525, 88595, 91415, 101529, 102225, 119145, 122525, 126425, 137475, 146653, 159471, 164547, 169215, 197223, 198575, 220545, 227565, 230347, 237679, 265785, 274245, 282025, 306675, 328705, 357435, 367575, 379275, 439959, 442975, 457075, 507645, 530207, 591669, 595725, 691041, 713037, 733265, 797355, 822735, 846075, 986115, 1102725, 1137825, 1151735, 1188395, 1319877, 1328925, 1371225, 1590621, 1643525, 1787175, 1906489, 2073123, 2139111, 2199795, 2538225, 2651035, 2958345, 3089827, 3455205, 3565185, 3666325, 3986775, 4113675, 4771863, 4930575, 5719467, 5758675, 5941975, 6599385, 6892691, 7953105, 9269481, 9532445, 10365615, 10695555, 10998975, 13255175, 14791725, 15449135, 17158401, 17276025, 17825925, 20678073, 23859315, 27808443, 28597335, 32996925, 34463455, 39765525, 46347405, 47662225, 51828075, 53477775, 62034219, 77245675, 85792005, 89604983, 103390365, 119296575, 139042215, 142986675, 172317275, 231737025, 268814949, 310171095, 428960025, 448024915, 516951825, 695211075, 806444847, 1344074745, 1550855475, 2240124575, 4032224235, 6720373725, 20161121175]

約数ペア:

[(1, 20161121175), (3, 6720373725), (5, 4032224235), (9, 2240124575), (13, 1550855475), (15, 1344074745), (25, 806444847), (29, 695211075), (39, 516951825), (45, 448024915), (47, 428960025), (65, 310171095), (75, 268814949), (87, 231737025), (117, 172317275), (141, 142986675), (145, 139042215), (169, 119296575), (195, 103390365), (225, 89604983), (235, 85792005), (261, 77245675), (325, 62034219), (377, 53477775), (389, 51828075), (423, 47662225), (435, 46347405), (507, 39765525), (585, 34463455), (611, 32996925), (705, 28597335), (725, 27808443), (845, 23859315), (975, 20678073), (1131, 17825925), (1167, 17276025), (1175, 17158401), (1305, 15449135), (1363, 14791725), (1521, 13255175), (1833, 10998975), (1885, 10695555), (1945, 10365615), (2115, 9532445), (2175, 9269481), (2535, 7953105), (2925, 6892691), (3055, 6599385), (3393, 5941975), (3501, 5758675), (3525, 5719467), (4089, 4930575), (4225, 4771863), (4901, 4113675), (5057, 3986775), (5499, 3666325), (5655, 3565185), (5835, 3455205), (6525, 3089827), (6815, 2958345), (7605, 2651035), (7943, 2538225), (9165, 2199795), (9425, 2139111), (9725, 2073123), (10575, 1906489), (11281, 1787175), (12267, 1643525), (12675, 1590621), (14703, 1371225), (15171, 1328925), (15275, 1319877), (16965, 1188395), (17505, 1151735), (17719, 1137825), (18283, 1102725), (20445, 986115), (23829, 846075), (24505, 822735), (25285, 797355), (27495, 733265), (28275, 713037), (29175, 691041), (33843, 595725), (34075, 591669), (38025, 530207), (39715, 507645), (44109, 457075), (45513, 442975), (45825, 439959), (53157, 379275), (54849, 367575), (56405, 357435), (61335, 328705), (65741, 306675), (71487, 282025), (73515, 274245), (75855, 265785), (84825, 237679), (87525, 230347), (88595, 227565), (91415, 220545), (101529, 198575), (102225, 197223), (119145, 169215), (122525, 164547), (126425, 159471), (137475, 146653)]