257180040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{307}}^1$

素因数の和:516

約数の個数: 192

約数和(自身を含む): 908107200

約数和(自身を除く): 650927160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 179, 180, 195, 234, 260, 307, 312, 358, 360, 390, 468, 520, 537, 585, 614, 716, 780, 895, 921, 936, 1074, 1170, 1228, 1432, 1535, 1560, 1611, 1790, 1842, 2148, 2327, 2340, 2456, 2685, 2763, 3070, 3222, 3580, 3684, 3991, 4296, 4605, 4654, 4680, 5370, 5526, 6140, 6444, 6981, 7160, 7368, 7982, 8055, 9210, 9308, 10740, 11052, 11635, 11973, 12280, 12888, 13815, 13962, 15964, 16110, 18420, 18616, 19955, 20943, 21480, 22104, 23270, 23946, 27630, 27924, 31928, 32220, 34905, 35919, 36840, 39910, 41886, 46540, 47892, 54953, 55260, 55848, 59865, 64440, 69810, 71838, 79820, 83772, 93080, 95784, 104715, 109906, 110520, 119730, 139620, 143676, 159640, 164859, 167544, 179595, 209430, 219812, 239460, 274765, 279240, 287352, 329718, 359190, 418860, 439624, 478920, 494577, 549530, 659436, 714389, 718380, 824295, 837720, 989154, 1099060, 1318872, 1428778, 1436760, 1648590, 1978308, 2143167, 2198120, 2472885, 2857556, 3297180, 3571945, 3956616, 4286334, 4945770, 5715112, 6429501, 6594360, 7143890, 8572668, 9891540, 10715835, 12859002, 14287780, 17145336, 19783080, 21431670, 25718004, 28575560, 32147505, 42863340, 51436008, 64295010, 85726680, 128590020, 257180040]

約数ペア:

[(1, 257180040), (2, 128590020), (3, 85726680), (4, 64295010), (5, 51436008), (6, 42863340), (8, 32147505), (9, 28575560), (10, 25718004), (12, 21431670), (13, 19783080), (15, 17145336), (18, 14287780), (20, 12859002), (24, 10715835), (26, 9891540), (30, 8572668), (36, 7143890), (39, 6594360), (40, 6429501), (45, 5715112), (52, 4945770), (60, 4286334), (65, 3956616), (72, 3571945), (78, 3297180), (90, 2857556), (104, 2472885), (117, 2198120), (120, 2143167), (130, 1978308), (156, 1648590), (179, 1436760), (180, 1428778), (195, 1318872), (234, 1099060), (260, 989154), (307, 837720), (312, 824295), (358, 718380), (360, 714389), (390, 659436), (468, 549530), (520, 494577), (537, 478920), (585, 439624), (614, 418860), (716, 359190), (780, 329718), (895, 287352), (921, 279240), (936, 274765), (1074, 239460), (1170, 219812), (1228, 209430), (1432, 179595), (1535, 167544), (1560, 164859), (1611, 159640), (1790, 143676), (1842, 139620), (2148, 119730), (2327, 110520), (2340, 109906), (2456, 104715), (2685, 95784), (2763, 93080), (3070, 83772), (3222, 79820), (3580, 71838), (3684, 69810), (3991, 64440), (4296, 59865), (4605, 55848), (4654, 55260), (4680, 54953), (5370, 47892), (5526, 46540), (6140, 41886), (6444, 39910), (6981, 36840), (7160, 35919), (7368, 34905), (7982, 32220), (8055, 31928), (9210, 27924), (9308, 27630), (10740, 23946), (11052, 23270), (11635, 22104), (11973, 21480), (12280, 20943), (12888, 19955), (13815, 18616), (13962, 18420), (15964, 16110)]