205351920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{3907}}^1$

素因数の和:3999

約数の個数: 120

約数和(自身を含む): 699266256

約数和(自身を除く): 493914336

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 73, 80, 90, 120, 144, 146, 180, 219, 240, 292, 360, 365, 438, 584, 657, 720, 730, 876, 1095, 1168, 1314, 1460, 1752, 2190, 2628, 2920, 3285, 3504, 3907, 4380, 5256, 5840, 6570, 7814, 8760, 10512, 11721, 13140, 15628, 17520, 19535, 23442, 26280, 31256, 35163, 39070, 46884, 52560, 58605, 62512, 70326, 78140, 93768, 117210, 140652, 156280, 175815, 187536, 234420, 281304, 285211, 312560, 351630, 468840, 562608, 570422, 703260, 855633, 937680, 1140844, 1406520, 1426055, 1711266, 2281688, 2566899, 2813040, 2852110, 3422532, 4278165, 4563376, 5133798, 5704220, 6845064, 8556330, 10267596, 11408440, 12834495, 13690128, 17112660, 20535192, 22816880, 25668990, 34225320, 41070384, 51337980, 68450640, 102675960, 205351920]

約数ペア:

[(1, 205351920), (2, 102675960), (3, 68450640), (4, 51337980), (5, 41070384), (6, 34225320), (8, 25668990), (9, 22816880), (10, 20535192), (12, 17112660), (15, 13690128), (16, 12834495), (18, 11408440), (20, 10267596), (24, 8556330), (30, 6845064), (36, 5704220), (40, 5133798), (45, 4563376), (48, 4278165), (60, 3422532), (72, 2852110), (73, 2813040), (80, 2566899), (90, 2281688), (120, 1711266), (144, 1426055), (146, 1406520), (180, 1140844), (219, 937680), (240, 855633), (292, 703260), (360, 570422), (365, 562608), (438, 468840), (584, 351630), (657, 312560), (720, 285211), (730, 281304), (876, 234420), (1095, 187536), (1168, 175815), (1314, 156280), (1460, 140652), (1752, 117210), (2190, 93768), (2628, 78140), (2920, 70326), (3285, 62512), (3504, 58605), (3907, 52560), (4380, 46884), (5256, 39070), (5840, 35163), (6570, 31256), (7814, 26280), (8760, 23442), (10512, 19535), (11721, 17520), (13140, 15628)]