72378240

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:205

約数の個数: 256

約数和(自身を含む): 264384000

約数和(自身を除く): 192005760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 23, 24, 30, 32, 33, 40, 44, 46, 48, 55, 60, 64, 66, 69, 80, 88, 92, 96, 110, 115, 120, 128, 132, 138, 149, 160, 165, 176, 184, 192, 220, 230, 240, 253, 264, 276, 298, 320, 330, 345, 352, 368, 384, 440, 447, 460, 480, 506, 528, 552, 596, 640, 660, 690, 704, 736, 745, 759, 880, 894, 920, 960, 1012, 1056, 1104, 1192, 1265, 1320, 1380, 1408, 1472, 1490, 1518, 1639, 1760, 1788, 1840, 1920, 2024, 2112, 2208, 2235, 2384, 2530, 2640, 2760, 2944, 2980, 3036, 3278, 3427, 3520, 3576, 3680, 3795, 4048, 4224, 4416, 4470, 4768, 4917, 5060, 5280, 5520, 5960, 6072, 6556, 6854, 7040, 7152, 7360, 7590, 8096, 8195, 8832, 8940, 9536, 9834, 10120, 10281, 10560, 11040, 11920, 12144, 13112, 13708, 14304, 14720, 15180, 16192, 16390, 17135, 17880, 19072, 19668, 20240, 20562, 21120, 22080, 23840, 24288, 24585, 26224, 27416, 28608, 30360, 32384, 32780, 34270, 35760, 37697, 39336, 40480, 41124, 44160, 47680, 48576, 49170, 51405, 52448, 54832, 57216, 60720, 65560, 68540, 71520, 75394, 78672, 80960, 82248, 95360, 97152, 98340, 102810, 104896, 109664, 113091, 121440, 131120, 137080, 143040, 150788, 157344, 161920, 164496, 188485, 196680, 205620, 209792, 219328, 226182, 242880, 262240, 274160, 286080, 301576, 314688, 328992, 376970, 393360, 411240, 438656, 452364, 485760, 524480, 548320, 565455, 603152, 629376, 657984, 753940, 786720, 822480, 904728, 1048960, 1096640, 1130910, 1206304, 1315968, 1507880, 1573440, 1644960, 1809456, 2193280, 2261820, 2412608, 3015760, 3146880, 3289920, 3618912, 4523640, 4825216, 6031520, 6579840, 7237824, 9047280, 12063040, 14475648, 18094560, 24126080, 36189120, 72378240]

約数ペア:

[(1, 72378240), (2, 36189120), (3, 24126080), (4, 18094560), (5, 14475648), (6, 12063040), (8, 9047280), (10, 7237824), (11, 6579840), (12, 6031520), (15, 4825216), (16, 4523640), (20, 3618912), (22, 3289920), (23, 3146880), (24, 3015760), (30, 2412608), (32, 2261820), (33, 2193280), (40, 1809456), (44, 1644960), (46, 1573440), (48, 1507880), (55, 1315968), (60, 1206304), (64, 1130910), (66, 1096640), (69, 1048960), (80, 904728), (88, 822480), (92, 786720), (96, 753940), (110, 657984), (115, 629376), (120, 603152), (128, 565455), (132, 548320), (138, 524480), (149, 485760), (160, 452364), (165, 438656), (176, 411240), (184, 393360), (192, 376970), (220, 328992), (230, 314688), (240, 301576), (253, 286080), (264, 274160), (276, 262240), (298, 242880), (320, 226182), (330, 219328), (345, 209792), (352, 205620), (368, 196680), (384, 188485), (440, 164496), (447, 161920), (460, 157344), (480, 150788), (506, 143040), (528, 137080), (552, 131120), (596, 121440), (640, 113091), (660, 109664), (690, 104896), (704, 102810), (736, 98340), (745, 97152), (759, 95360), (880, 82248), (894, 80960), (920, 78672), (960, 75394), (1012, 71520), (1056, 68540), (1104, 65560), (1192, 60720), (1265, 57216), (1320, 54832), (1380, 52448), (1408, 51405), (1472, 49170), (1490, 48576), (1518, 47680), (1639, 44160), (1760, 41124), (1788, 40480), (1840, 39336), (1920, 37697), (2024, 35760), (2112, 34270), (2208, 32780), (2235, 32384), (2384, 30360), (2530, 28608), (2640, 27416), (2760, 26224), (2944, 24585), (2980, 24288), (3036, 23840), (3278, 22080), (3427, 21120), (3520, 20562), (3576, 20240), (3680, 19668), (3795, 19072), (4048, 17880), (4224, 17135), (4416, 16390), (4470, 16192), (4768, 15180), (4917, 14720), (5060, 14304), (5280, 13708), (5520, 13112), (5960, 12144), (6072, 11920), (6556, 11040), (6854, 10560), (7040, 10281), (7152, 10120), (7360, 9834), (7590, 9536), (8096, 8940), (8195, 8832)]