72287040

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:405

約数の個数: 224

約数和(自身を含む): 271540224

約数和(自身を除く): 199253184

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 64, 70, 80, 84, 93, 96, 105, 112, 120, 124, 140, 155, 160, 168, 186, 192, 210, 217, 224, 240, 248, 280, 310, 320, 336, 347, 372, 420, 434, 448, 465, 480, 496, 560, 620, 651, 672, 694, 744, 840, 868, 930, 960, 992, 1041, 1085, 1120, 1240, 1302, 1344, 1388, 1488, 1680, 1735, 1736, 1860, 1984, 2082, 2170, 2240, 2429, 2480, 2604, 2776, 2976, 3255, 3360, 3470, 3472, 3720, 4164, 4340, 4858, 4960, 5205, 5208, 5552, 5952, 6510, 6720, 6940, 6944, 7287, 7440, 8328, 8680, 9716, 9920, 10410, 10416, 10757, 11104, 12145, 13020, 13880, 13888, 14574, 14880, 16656, 17360, 19432, 20820, 20832, 21514, 22208, 24290, 26040, 27760, 29148, 29760, 32271, 33312, 34720, 36435, 38864, 41640, 41664, 43028, 48580, 52080, 53785, 55520, 58296, 64542, 66624, 69440, 72870, 75299, 77728, 83280, 86056, 97160, 104160, 107570, 111040, 116592, 129084, 145740, 150598, 155456, 161355, 166560, 172112, 194320, 208320, 215140, 225897, 233184, 258168, 291480, 301196, 322710, 333120, 344224, 376495, 388640, 430280, 451794, 466368, 516336, 582960, 602392, 645420, 688448, 752990, 777280, 860560, 903588, 1032672, 1129485, 1165920, 1204784, 1290840, 1505980, 1721120, 1807176, 2065344, 2258970, 2331840, 2409568, 2581680, 3011960, 3442240, 3614352, 4517940, 4819136, 5163360, 6023920, 7228704, 9035880, 10326720, 12047840, 14457408, 18071760, 24095680, 36143520, 72287040]

約数ペア:

[(1, 72287040), (2, 36143520), (3, 24095680), (4, 18071760), (5, 14457408), (6, 12047840), (7, 10326720), (8, 9035880), (10, 7228704), (12, 6023920), (14, 5163360), (15, 4819136), (16, 4517940), (20, 3614352), (21, 3442240), (24, 3011960), (28, 2581680), (30, 2409568), (31, 2331840), (32, 2258970), (35, 2065344), (40, 1807176), (42, 1721120), (48, 1505980), (56, 1290840), (60, 1204784), (62, 1165920), (64, 1129485), (70, 1032672), (80, 903588), (84, 860560), (93, 777280), (96, 752990), (105, 688448), (112, 645420), (120, 602392), (124, 582960), (140, 516336), (155, 466368), (160, 451794), (168, 430280), (186, 388640), (192, 376495), (210, 344224), (217, 333120), (224, 322710), (240, 301196), (248, 291480), (280, 258168), (310, 233184), (320, 225897), (336, 215140), (347, 208320), (372, 194320), (420, 172112), (434, 166560), (448, 161355), (465, 155456), (480, 150598), (496, 145740), (560, 129084), (620, 116592), (651, 111040), (672, 107570), (694, 104160), (744, 97160), (840, 86056), (868, 83280), (930, 77728), (960, 75299), (992, 72870), (1041, 69440), (1085, 66624), (1120, 64542), (1240, 58296), (1302, 55520), (1344, 53785), (1388, 52080), (1488, 48580), (1680, 43028), (1735, 41664), (1736, 41640), (1860, 38864), (1984, 36435), (2082, 34720), (2170, 33312), (2240, 32271), (2429, 29760), (2480, 29148), (2604, 27760), (2776, 26040), (2976, 24290), (3255, 22208), (3360, 21514), (3470, 20832), (3472, 20820), (3720, 19432), (4164, 17360), (4340, 16656), (4858, 14880), (4960, 14574), (5205, 13888), (5208, 13880), (5552, 13020), (5952, 12145), (6510, 11104), (6720, 10757), (6940, 10416), (6944, 10410), (7287, 9920), (7440, 9716), (8328, 8680)]