217460880

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3319}}^1$

素因数の和:3358

約数の個数: 240

約数和(自身を含む): 899109120

約数和(自身を除く): 681648240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 48, 52, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 104, 105, 112, 117, 120, 126, 130, 140, 144, 156, 168, 180, 182, 195, 208, 210, 234, 240, 252, 260, 273, 280, 312, 315, 336, 360, 364, 390, 420, 455, 468, 504, 520, 546, 560, 585, 624, 630, 720, 728, 780, 819, 840, 910, 936, 1008, 1040, 1092, 1170, 1260, 1365, 1456, 1560, 1638, 1680, 1820, 1872, 2184, 2340, 2520, 2730, 3120, 3276, 3319, 3640, 4095, 4368, 4680, 5040, 5460, 6552, 6638, 7280, 8190, 9360, 9957, 10920, 13104, 13276, 16380, 16595, 19914, 21840, 23233, 26552, 29871, 32760, 33190, 39828, 43147, 46466, 49785, 53104, 59742, 65520, 66380, 69699, 79656, 86294, 92932, 99570, 116165, 119484, 129441, 132760, 139398, 149355, 159312, 172588, 185864, 199140, 209097, 215735, 232330, 238968, 258882, 265520, 278796, 298710, 302029, 345176, 348495, 371728, 388323, 398280, 418194, 431470, 464660, 477936, 517764, 557592, 597420, 604058, 647205, 690352, 696990, 776646, 796560, 836388, 862940, 906087, 929320, 1035528, 1045485, 1115184, 1194840, 1208116, 1294410, 1393980, 1510145, 1553292, 1672776, 1725880, 1812174, 1858640, 1941615, 2071056, 2090970, 2389680, 2416232, 2588820, 2718261, 2787960, 3020290, 3106584, 3345552, 3451760, 3624348, 3883230, 4181940, 4530435, 4832464, 5177640, 5436522, 5575920, 6040580, 6213168, 7248696, 7766460, 8363880, 9060870, 10355280, 10873044, 12081160, 13591305, 14497392, 15532920, 16727760, 18121740, 21746088, 24162320, 27182610, 31065840, 36243480, 43492176, 54365220, 72486960, 108730440, 217460880]

約数ペア:

[(1, 217460880), (2, 108730440), (3, 72486960), (4, 54365220), (5, 43492176), (6, 36243480), (7, 31065840), (8, 27182610), (9, 24162320), (10, 21746088), (12, 18121740), (13, 16727760), (14, 15532920), (15, 14497392), (16, 13591305), (18, 12081160), (20, 10873044), (21, 10355280), (24, 9060870), (26, 8363880), (28, 7766460), (30, 7248696), (35, 6213168), (36, 6040580), (39, 5575920), (40, 5436522), (42, 5177640), (45, 4832464), (48, 4530435), (52, 4181940), (56, 3883230), (60, 3624348), (63, 3451760), (65, 3345552), (70, 3106584), (72, 3020290), (78, 2787960), (80, 2718261), (84, 2588820), (90, 2416232), (91, 2389680), (104, 2090970), (105, 2071056), (112, 1941615), (117, 1858640), (120, 1812174), (126, 1725880), (130, 1672776), (140, 1553292), (144, 1510145), (156, 1393980), (168, 1294410), (180, 1208116), (182, 1194840), (195, 1115184), (208, 1045485), (210, 1035528), (234, 929320), (240, 906087), (252, 862940), (260, 836388), (273, 796560), (280, 776646), (312, 696990), (315, 690352), (336, 647205), (360, 604058), (364, 597420), (390, 557592), (420, 517764), (455, 477936), (468, 464660), (504, 431470), (520, 418194), (546, 398280), (560, 388323), (585, 371728), (624, 348495), (630, 345176), (720, 302029), (728, 298710), (780, 278796), (819, 265520), (840, 258882), (910, 238968), (936, 232330), (1008, 215735), (1040, 209097), (1092, 199140), (1170, 185864), (1260, 172588), (1365, 159312), (1456, 149355), (1560, 139398), (1638, 132760), (1680, 129441), (1820, 119484), (1872, 116165), (2184, 99570), (2340, 92932), (2520, 86294), (2730, 79656), (3120, 69699), (3276, 66380), (3319, 65520), (3640, 59742), (4095, 53104), (4368, 49785), (4680, 46466), (5040, 43147), (5460, 39828), (6552, 33190), (6638, 32760), (7280, 29871), (8190, 26552), (9360, 23233), (9957, 21840), (10920, 19914), (13104, 16595), (13276, 16380)]