81001260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1$

素因数の和:392

約数の個数: 144

約数和(自身を含む): 263704896

約数和(自身を除く): 182703636

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 103, 153, 170, 180, 204, 206, 255, 257, 306, 309, 340, 412, 510, 514, 515, 612, 618, 765, 771, 927, 1020, 1028, 1030, 1236, 1285, 1530, 1542, 1545, 1751, 1854, 2060, 2313, 2570, 3060, 3084, 3090, 3502, 3708, 3855, 4369, 4626, 4635, 5140, 5253, 6180, 7004, 7710, 8738, 8755, 9252, 9270, 10506, 11565, 13107, 15420, 15759, 17476, 17510, 18540, 21012, 21845, 23130, 26214, 26265, 26471, 31518, 35020, 39321, 43690, 46260, 52428, 52530, 52942, 63036, 65535, 78642, 78795, 79413, 87380, 105060, 105884, 131070, 132355, 157284, 157590, 158826, 196605, 238239, 262140, 264710, 315180, 317652, 393210, 397065, 450007, 476478, 529420, 786420, 794130, 900014, 952956, 1191195, 1350021, 1588260, 1800028, 2250035, 2382390, 2700042, 4050063, 4500070, 4764780, 5400084, 6750105, 8100126, 9000140, 13500210, 16200252, 20250315, 27000420, 40500630, 81001260]

約数ペア:

[(1, 81001260), (2, 40500630), (3, 27000420), (4, 20250315), (5, 16200252), (6, 13500210), (9, 9000140), (10, 8100126), (12, 6750105), (15, 5400084), (17, 4764780), (18, 4500070), (20, 4050063), (30, 2700042), (34, 2382390), (36, 2250035), (45, 1800028), (51, 1588260), (60, 1350021), (68, 1191195), (85, 952956), (90, 900014), (102, 794130), (103, 786420), (153, 529420), (170, 476478), (180, 450007), (204, 397065), (206, 393210), (255, 317652), (257, 315180), (306, 264710), (309, 262140), (340, 238239), (412, 196605), (510, 158826), (514, 157590), (515, 157284), (612, 132355), (618, 131070), (765, 105884), (771, 105060), (927, 87380), (1020, 79413), (1028, 78795), (1030, 78642), (1236, 65535), (1285, 63036), (1530, 52942), (1542, 52530), (1545, 52428), (1751, 46260), (1854, 43690), (2060, 39321), (2313, 35020), (2570, 31518), (3060, 26471), (3084, 26265), (3090, 26214), (3502, 23130), (3708, 21845), (3855, 21012), (4369, 18540), (4626, 17510), (4635, 17476), (5140, 15759), (5253, 15420), (6180, 13107), (7004, 11565), (7710, 10506), (8738, 9270), (8755, 9252)]