203307520

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:226

約数の個数: 160

約数和(自身を含む): 541371600

約数和(自身を除く): 338064080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 64, 65, 80, 82, 104, 128, 130, 149, 160, 164, 205, 208, 256, 260, 298, 320, 328, 410, 416, 512, 520, 533, 596, 640, 656, 745, 820, 832, 1040, 1066, 1192, 1280, 1312, 1490, 1640, 1664, 1937, 2080, 2132, 2384, 2560, 2624, 2665, 2980, 3280, 3328, 3874, 4160, 4264, 4768, 5248, 5330, 5960, 6109, 6560, 6656, 7748, 8320, 8528, 9536, 9685, 10496, 10660, 11920, 12218, 13120, 15496, 16640, 17056, 19072, 19370, 20992, 21320, 23840, 24436, 26240, 30545, 30992, 33280, 34112, 38144, 38740, 42640, 47680, 48872, 52480, 61090, 61984, 68224, 76288, 77480, 79417, 85280, 95360, 97744, 104960, 122180, 123968, 136448, 154960, 158834, 170560, 190720, 195488, 244360, 247936, 272896, 309920, 317668, 341120, 381440, 390976, 397085, 488720, 495872, 619840, 635336, 682240, 781952, 794170, 977440, 991744, 1239680, 1270672, 1364480, 1563904, 1588340, 1954880, 2479360, 2541344, 3127808, 3176680, 3909760, 4958720, 5082688, 6353360, 7819520, 10165376, 12706720, 15639040, 20330752, 25413440, 40661504, 50826880, 101653760, 203307520]

約数ペア:

[(1, 203307520), (2, 101653760), (4, 50826880), (5, 40661504), (8, 25413440), (10, 20330752), (13, 15639040), (16, 12706720), (20, 10165376), (26, 7819520), (32, 6353360), (40, 5082688), (41, 4958720), (52, 3909760), (64, 3176680), (65, 3127808), (80, 2541344), (82, 2479360), (104, 1954880), (128, 1588340), (130, 1563904), (149, 1364480), (160, 1270672), (164, 1239680), (205, 991744), (208, 977440), (256, 794170), (260, 781952), (298, 682240), (320, 635336), (328, 619840), (410, 495872), (416, 488720), (512, 397085), (520, 390976), (533, 381440), (596, 341120), (640, 317668), (656, 309920), (745, 272896), (820, 247936), (832, 244360), (1040, 195488), (1066, 190720), (1192, 170560), (1280, 158834), (1312, 154960), (1490, 136448), (1640, 123968), (1664, 122180), (1937, 104960), (2080, 97744), (2132, 95360), (2384, 85280), (2560, 79417), (2624, 77480), (2665, 76288), (2980, 68224), (3280, 61984), (3328, 61090), (3874, 52480), (4160, 48872), (4264, 47680), (4768, 42640), (5248, 38740), (5330, 38144), (5960, 34112), (6109, 33280), (6560, 30992), (6656, 30545), (7748, 26240), (8320, 24436), (8528, 23840), (9536, 21320), (9685, 20992), (10496, 19370), (10660, 19072), (11920, 17056), (12218, 16640), (13120, 15496)]