18668640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:149

約数の個数: 192

約数和(自身を含む): 65318400

約数和(自身を除く): 46649760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 23, 24, 30, 32, 38, 40, 46, 48, 57, 60, 69, 76, 80, 89, 92, 95, 96, 114, 115, 120, 138, 152, 160, 178, 184, 190, 228, 230, 240, 267, 276, 285, 304, 345, 356, 368, 380, 437, 445, 456, 460, 480, 534, 552, 570, 608, 690, 712, 736, 760, 874, 890, 912, 920, 1068, 1104, 1140, 1311, 1335, 1380, 1424, 1520, 1691, 1748, 1780, 1824, 1840, 2047, 2136, 2185, 2208, 2280, 2622, 2670, 2760, 2848, 3040, 3382, 3496, 3560, 3680, 4094, 4272, 4370, 4560, 5073, 5244, 5340, 5520, 6141, 6555, 6764, 6992, 7120, 8188, 8455, 8544, 8740, 9120, 10146, 10235, 10488, 10680, 11040, 12282, 13110, 13528, 13984, 14240, 16376, 16910, 17480, 20292, 20470, 20976, 21360, 24564, 25365, 26220, 27056, 30705, 32752, 33820, 34960, 38893, 40584, 40940, 41952, 42720, 49128, 50730, 52440, 54112, 61410, 65504, 67640, 69920, 77786, 81168, 81880, 98256, 101460, 104880, 116679, 122820, 135280, 155572, 162336, 163760, 194465, 196512, 202920, 209760, 233358, 245640, 270560, 311144, 327520, 388930, 405840, 466716, 491280, 583395, 622288, 777860, 811680, 933432, 982560, 1166790, 1244576, 1555720, 1866864, 2333580, 3111440, 3733728, 4667160, 6222880, 9334320, 18668640]

約数ペア:

[(1, 18668640), (2, 9334320), (3, 6222880), (4, 4667160), (5, 3733728), (6, 3111440), (8, 2333580), (10, 1866864), (12, 1555720), (15, 1244576), (16, 1166790), (19, 982560), (20, 933432), (23, 811680), (24, 777860), (30, 622288), (32, 583395), (38, 491280), (40, 466716), (46, 405840), (48, 388930), (57, 327520), (60, 311144), (69, 270560), (76, 245640), (80, 233358), (89, 209760), (92, 202920), (95, 196512), (96, 194465), (114, 163760), (115, 162336), (120, 155572), (138, 135280), (152, 122820), (160, 116679), (178, 104880), (184, 101460), (190, 98256), (228, 81880), (230, 81168), (240, 77786), (267, 69920), (276, 67640), (285, 65504), (304, 61410), (345, 54112), (356, 52440), (368, 50730), (380, 49128), (437, 42720), (445, 41952), (456, 40940), (460, 40584), (480, 38893), (534, 34960), (552, 33820), (570, 32752), (608, 30705), (690, 27056), (712, 26220), (736, 25365), (760, 24564), (874, 21360), (890, 20976), (912, 20470), (920, 20292), (1068, 17480), (1104, 16910), (1140, 16376), (1311, 14240), (1335, 13984), (1380, 13528), (1424, 13110), (1520, 12282), (1691, 11040), (1748, 10680), (1780, 10488), (1824, 10235), (1840, 10146), (2047, 9120), (2136, 8740), (2185, 8544), (2208, 8455), (2280, 8188), (2622, 7120), (2670, 6992), (2760, 6764), (2848, 6555), (3040, 6141), (3382, 5520), (3496, 5340), (3560, 5244), (3680, 5073), (4094, 4560), (4272, 4370)]