221828880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1451}}^1$

素因数の和:1494

約数の個数: 240

約数和(自身を含む): 862069824

約数和(自身を除く): 640240944

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 49, 52, 56, 60, 65, 70, 78, 80, 84, 91, 98, 104, 105, 112, 120, 130, 140, 147, 156, 168, 182, 195, 196, 208, 210, 240, 245, 260, 273, 280, 294, 312, 336, 364, 390, 392, 420, 455, 490, 520, 546, 560, 588, 624, 637, 728, 735, 780, 784, 840, 910, 980, 1040, 1092, 1176, 1274, 1365, 1451, 1456, 1470, 1560, 1680, 1820, 1911, 1960, 2184, 2352, 2548, 2730, 2902, 2940, 3120, 3185, 3640, 3822, 3920, 4353, 4368, 5096, 5460, 5804, 5880, 6370, 7255, 7280, 7644, 8706, 9555, 10157, 10192, 10920, 11608, 11760, 12740, 14510, 15288, 17412, 18863, 19110, 20314, 21765, 21840, 23216, 25480, 29020, 30471, 30576, 34824, 37726, 38220, 40628, 43530, 50785, 50960, 56589, 58040, 60942, 69648, 71099, 75452, 76440, 81256, 87060, 94315, 101570, 113178, 116080, 121884, 132041, 142198, 150904, 152355, 152880, 162512, 174120, 188630, 203140, 213297, 226356, 243768, 264082, 282945, 284396, 301808, 304710, 348240, 355495, 377260, 396123, 406280, 426594, 452712, 487536, 528164, 565890, 568792, 609420, 660205, 710990, 754520, 792246, 812560, 853188, 905424, 924287, 1056328, 1066485, 1131780, 1137584, 1218840, 1320410, 1421980, 1509040, 1584492, 1706376, 1848574, 1980615, 2112656, 2132970, 2263560, 2437680, 2640820, 2772861, 2843960, 3168984, 3412752, 3697148, 3961230, 4265940, 4527120, 4621435, 5281640, 5545722, 5687920, 6337968, 7394296, 7922460, 8531880, 9242870, 10563280, 11091444, 13864305, 14788592, 15844920, 17063760, 18485740, 22182888, 27728610, 31689840, 36971480, 44365776, 55457220, 73942960, 110914440, 221828880]

約数ペア:

[(1, 221828880), (2, 110914440), (3, 73942960), (4, 55457220), (5, 44365776), (6, 36971480), (7, 31689840), (8, 27728610), (10, 22182888), (12, 18485740), (13, 17063760), (14, 15844920), (15, 14788592), (16, 13864305), (20, 11091444), (21, 10563280), (24, 9242870), (26, 8531880), (28, 7922460), (30, 7394296), (35, 6337968), (39, 5687920), (40, 5545722), (42, 5281640), (48, 4621435), (49, 4527120), (52, 4265940), (56, 3961230), (60, 3697148), (65, 3412752), (70, 3168984), (78, 2843960), (80, 2772861), (84, 2640820), (91, 2437680), (98, 2263560), (104, 2132970), (105, 2112656), (112, 1980615), (120, 1848574), (130, 1706376), (140, 1584492), (147, 1509040), (156, 1421980), (168, 1320410), (182, 1218840), (195, 1137584), (196, 1131780), (208, 1066485), (210, 1056328), (240, 924287), (245, 905424), (260, 853188), (273, 812560), (280, 792246), (294, 754520), (312, 710990), (336, 660205), (364, 609420), (390, 568792), (392, 565890), (420, 528164), (455, 487536), (490, 452712), (520, 426594), (546, 406280), (560, 396123), (588, 377260), (624, 355495), (637, 348240), (728, 304710), (735, 301808), (780, 284396), (784, 282945), (840, 264082), (910, 243768), (980, 226356), (1040, 213297), (1092, 203140), (1176, 188630), (1274, 174120), (1365, 162512), (1451, 152880), (1456, 152355), (1470, 150904), (1560, 142198), (1680, 132041), (1820, 121884), (1911, 116080), (1960, 113178), (2184, 101570), (2352, 94315), (2548, 87060), (2730, 81256), (2902, 76440), (2940, 75452), (3120, 71099), (3185, 69648), (3640, 60942), (3822, 58040), (3920, 56589), (4353, 50960), (4368, 50785), (5096, 43530), (5460, 40628), (5804, 38220), (5880, 37726), (6370, 34824), (7255, 30576), (7280, 30471), (7644, 29020), (8706, 25480), (9555, 23216), (10157, 21840), (10192, 21765), (10920, 20314), (11608, 19110), (11760, 18863), (12740, 17412), (14510, 15288)]