257707920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{607}}^1$

素因数の和:713

約数の個数: 160

約数和(自身を含む): 841374720

約数和(自身を除く): 583666800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 61, 80, 87, 116, 120, 122, 145, 174, 183, 232, 240, 244, 290, 305, 348, 366, 435, 464, 488, 580, 607, 610, 696, 732, 870, 915, 976, 1160, 1214, 1220, 1392, 1464, 1740, 1769, 1821, 1830, 2320, 2428, 2440, 2928, 3035, 3480, 3538, 3642, 3660, 4856, 4880, 5307, 6070, 6960, 7076, 7284, 7320, 8845, 9105, 9712, 10614, 12140, 14152, 14568, 14640, 17603, 17690, 18210, 21228, 24280, 26535, 28304, 29136, 35206, 35380, 36420, 37027, 42456, 48560, 52809, 53070, 70412, 70760, 72840, 74054, 84912, 88015, 105618, 106140, 111081, 140824, 141520, 145680, 148108, 176030, 185135, 211236, 212280, 222162, 264045, 281648, 296216, 352060, 370270, 422472, 424560, 444324, 528090, 555405, 592432, 704120, 740540, 844944, 888648, 1056180, 1073783, 1110810, 1408240, 1481080, 1777296, 2112360, 2147566, 2221620, 2962160, 3221349, 4224720, 4295132, 4443240, 5368915, 6442698, 8590264, 8886480, 10737830, 12885396, 16106745, 17180528, 21475660, 25770792, 32213490, 42951320, 51541584, 64426980, 85902640, 128853960, 257707920]

約数ペア:

[(1, 257707920), (2, 128853960), (3, 85902640), (4, 64426980), (5, 51541584), (6, 42951320), (8, 32213490), (10, 25770792), (12, 21475660), (15, 17180528), (16, 16106745), (20, 12885396), (24, 10737830), (29, 8886480), (30, 8590264), (40, 6442698), (48, 5368915), (58, 4443240), (60, 4295132), (61, 4224720), (80, 3221349), (87, 2962160), (116, 2221620), (120, 2147566), (122, 2112360), (145, 1777296), (174, 1481080), (183, 1408240), (232, 1110810), (240, 1073783), (244, 1056180), (290, 888648), (305, 844944), (348, 740540), (366, 704120), (435, 592432), (464, 555405), (488, 528090), (580, 444324), (607, 424560), (610, 422472), (696, 370270), (732, 352060), (870, 296216), (915, 281648), (976, 264045), (1160, 222162), (1214, 212280), (1220, 211236), (1392, 185135), (1464, 176030), (1740, 148108), (1769, 145680), (1821, 141520), (1830, 140824), (2320, 111081), (2428, 106140), (2440, 105618), (2928, 88015), (3035, 84912), (3480, 74054), (3538, 72840), (3642, 70760), (3660, 70412), (4856, 53070), (4880, 52809), (5307, 48560), (6070, 42456), (6960, 37027), (7076, 36420), (7284, 35380), (7320, 35206), (8845, 29136), (9105, 28304), (9712, 26535), (10614, 24280), (12140, 21228), (14152, 18210), (14568, 17690), (14640, 17603)]