257360040

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1399}}^1$

素因数の和:1496

約数の個数: 192

約数和(自身を含む): 969696000

約数和(自身を除く): 712335960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 73, 84, 90, 105, 120, 126, 140, 146, 168, 180, 210, 219, 252, 280, 292, 315, 360, 365, 420, 438, 504, 511, 584, 630, 657, 730, 840, 876, 1022, 1095, 1260, 1314, 1399, 1460, 1533, 1752, 2044, 2190, 2520, 2555, 2628, 2798, 2920, 3066, 3285, 4088, 4197, 4380, 4599, 5110, 5256, 5596, 6132, 6570, 6995, 7665, 8394, 8760, 9198, 9793, 10220, 11192, 12264, 12591, 13140, 13990, 15330, 16788, 18396, 19586, 20440, 20985, 22995, 25182, 26280, 27980, 29379, 30660, 33576, 36792, 39172, 41970, 45990, 48965, 50364, 55960, 58758, 61320, 62955, 78344, 83940, 88137, 91980, 97930, 100728, 102127, 117516, 125910, 146895, 167880, 176274, 183960, 195860, 204254, 235032, 251820, 293790, 306381, 352548, 391720, 408508, 440685, 503640, 510635, 587580, 612762, 705096, 714889, 817016, 881370, 919143, 1021270, 1175160, 1225524, 1429778, 1531905, 1762740, 1838286, 2042540, 2144667, 2451048, 2859556, 3063810, 3525480, 3574445, 3676572, 4085080, 4289334, 4595715, 5719112, 6127620, 6434001, 7148890, 7353144, 8578668, 9191430, 10723335, 12255240, 12868002, 14297780, 17157336, 18382860, 21446670, 25736004, 28595560, 32170005, 36765720, 42893340, 51472008, 64340010, 85786680, 128680020, 257360040]

約数ペア:

[(1, 257360040), (2, 128680020), (3, 85786680), (4, 64340010), (5, 51472008), (6, 42893340), (7, 36765720), (8, 32170005), (9, 28595560), (10, 25736004), (12, 21446670), (14, 18382860), (15, 17157336), (18, 14297780), (20, 12868002), (21, 12255240), (24, 10723335), (28, 9191430), (30, 8578668), (35, 7353144), (36, 7148890), (40, 6434001), (42, 6127620), (45, 5719112), (56, 4595715), (60, 4289334), (63, 4085080), (70, 3676572), (72, 3574445), (73, 3525480), (84, 3063810), (90, 2859556), (105, 2451048), (120, 2144667), (126, 2042540), (140, 1838286), (146, 1762740), (168, 1531905), (180, 1429778), (210, 1225524), (219, 1175160), (252, 1021270), (280, 919143), (292, 881370), (315, 817016), (360, 714889), (365, 705096), (420, 612762), (438, 587580), (504, 510635), (511, 503640), (584, 440685), (630, 408508), (657, 391720), (730, 352548), (840, 306381), (876, 293790), (1022, 251820), (1095, 235032), (1260, 204254), (1314, 195860), (1399, 183960), (1460, 176274), (1533, 167880), (1752, 146895), (2044, 125910), (2190, 117516), (2520, 102127), (2555, 100728), (2628, 97930), (2798, 91980), (2920, 88137), (3066, 83940), (3285, 78344), (4088, 62955), (4197, 61320), (4380, 58758), (4599, 55960), (5110, 50364), (5256, 48965), (5596, 45990), (6132, 41970), (6570, 39172), (6995, 36792), (7665, 33576), (8394, 30660), (8760, 29379), (9198, 27980), (9793, 26280), (10220, 25182), (11192, 22995), (12264, 20985), (12591, 20440), (13140, 19586), (13990, 18396), (15330, 16788)]