257576160

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{463}}^1$

素因数の和:561

約数の個数: 192

約数和(自身を含む): 869944320

約数和(自身を除く): 612368160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 61, 76, 80, 95, 96, 114, 120, 122, 152, 160, 183, 190, 228, 240, 244, 285, 304, 305, 366, 380, 456, 463, 480, 488, 570, 608, 610, 732, 760, 912, 915, 926, 976, 1140, 1159, 1220, 1389, 1464, 1520, 1824, 1830, 1852, 1952, 2280, 2315, 2318, 2440, 2778, 2928, 3040, 3477, 3660, 3704, 4560, 4630, 4636, 4880, 5556, 5795, 5856, 6945, 6954, 7320, 7408, 8797, 9120, 9260, 9272, 9760, 11112, 11590, 13890, 13908, 14640, 14816, 17385, 17594, 18520, 18544, 22224, 23180, 26391, 27780, 27816, 28243, 29280, 34770, 35188, 37040, 37088, 43985, 44448, 46360, 52782, 55560, 55632, 56486, 69540, 70376, 74080, 84729, 87970, 92720, 105564, 111120, 111264, 112972, 131955, 139080, 140752, 141215, 169458, 175940, 185440, 211128, 222240, 225944, 263910, 278160, 281504, 282430, 338916, 351880, 422256, 423645, 451888, 527820, 536617, 556320, 564860, 677832, 703760, 844512, 847290, 903776, 1055640, 1073234, 1129720, 1355664, 1407520, 1609851, 1694580, 2111280, 2146468, 2259440, 2683085, 2711328, 3219702, 3389160, 4222560, 4292936, 4518880, 5366170, 6439404, 6778320, 8049255, 8585872, 10732340, 12878808, 13556640, 16098510, 17171744, 21464680, 25757616, 32197020, 42929360, 51515232, 64394040, 85858720, 128788080, 257576160]

約数ペア:

[(1, 257576160), (2, 128788080), (3, 85858720), (4, 64394040), (5, 51515232), (6, 42929360), (8, 32197020), (10, 25757616), (12, 21464680), (15, 17171744), (16, 16098510), (19, 13556640), (20, 12878808), (24, 10732340), (30, 8585872), (32, 8049255), (38, 6778320), (40, 6439404), (48, 5366170), (57, 4518880), (60, 4292936), (61, 4222560), (76, 3389160), (80, 3219702), (95, 2711328), (96, 2683085), (114, 2259440), (120, 2146468), (122, 2111280), (152, 1694580), (160, 1609851), (183, 1407520), (190, 1355664), (228, 1129720), (240, 1073234), (244, 1055640), (285, 903776), (304, 847290), (305, 844512), (366, 703760), (380, 677832), (456, 564860), (463, 556320), (480, 536617), (488, 527820), (570, 451888), (608, 423645), (610, 422256), (732, 351880), (760, 338916), (912, 282430), (915, 281504), (926, 278160), (976, 263910), (1140, 225944), (1159, 222240), (1220, 211128), (1389, 185440), (1464, 175940), (1520, 169458), (1824, 141215), (1830, 140752), (1852, 139080), (1952, 131955), (2280, 112972), (2315, 111264), (2318, 111120), (2440, 105564), (2778, 92720), (2928, 87970), (3040, 84729), (3477, 74080), (3660, 70376), (3704, 69540), (4560, 56486), (4630, 55632), (4636, 55560), (4880, 52782), (5556, 46360), (5795, 44448), (5856, 43985), (6945, 37088), (6954, 37040), (7320, 35188), (7408, 34770), (8797, 29280), (9120, 28243), (9260, 27816), (9272, 27780), (9760, 26391), (11112, 23180), (11590, 22224), (13890, 18544), (13908, 18520), (14640, 17594), (14816, 17385)]