128291280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{3163}}^1$

素因数の和:3205

約数の個数: 120

約数和(自身を含む): 430784928

約数和(自身を除く): 302493648

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 169, 195, 208, 240, 260, 312, 338, 390, 507, 520, 624, 676, 780, 845, 1014, 1040, 1352, 1560, 1690, 2028, 2535, 2704, 3120, 3163, 3380, 4056, 5070, 6326, 6760, 8112, 9489, 10140, 12652, 13520, 15815, 18978, 20280, 25304, 31630, 37956, 40560, 41119, 47445, 50608, 63260, 75912, 82238, 94890, 123357, 126520, 151824, 164476, 189780, 205595, 246714, 253040, 328952, 379560, 411190, 493428, 534547, 616785, 657904, 759120, 822380, 986856, 1069094, 1233570, 1603641, 1644760, 1973712, 2138188, 2467140, 2672735, 3207282, 3289520, 4276376, 4934280, 5345470, 6414564, 8018205, 8552752, 9868560, 10690940, 12829128, 16036410, 21381880, 25658256, 32072820, 42763760, 64145640, 128291280]

約数ペア:

[(1, 128291280), (2, 64145640), (3, 42763760), (4, 32072820), (5, 25658256), (6, 21381880), (8, 16036410), (10, 12829128), (12, 10690940), (13, 9868560), (15, 8552752), (16, 8018205), (20, 6414564), (24, 5345470), (26, 4934280), (30, 4276376), (39, 3289520), (40, 3207282), (48, 2672735), (52, 2467140), (60, 2138188), (65, 1973712), (78, 1644760), (80, 1603641), (104, 1233570), (120, 1069094), (130, 986856), (156, 822380), (169, 759120), (195, 657904), (208, 616785), (240, 534547), (260, 493428), (312, 411190), (338, 379560), (390, 328952), (507, 253040), (520, 246714), (624, 205595), (676, 189780), (780, 164476), (845, 151824), (1014, 126520), (1040, 123357), (1352, 94890), (1560, 82238), (1690, 75912), (2028, 63260), (2535, 50608), (2704, 47445), (3120, 41119), (3163, 40560), (3380, 37956), (4056, 31630), (5070, 25304), (6326, 20280), (6760, 18978), (8112, 15815), (9489, 13520), (10140, 12652)]