1278721080

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4337}}^1$

素因数の和:4380

約数の個数: 320

約数和(自身を含む): 5290971840

約数和(自身を除く): 4012250760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 27, 28, 30, 35, 36, 39, 40, 42, 45, 52, 54, 56, 60, 63, 65, 70, 72, 78, 81, 84, 90, 91, 104, 105, 108, 117, 120, 126, 130, 135, 140, 156, 162, 168, 180, 182, 189, 195, 210, 216, 234, 252, 260, 270, 273, 280, 312, 315, 324, 351, 360, 364, 378, 390, 405, 420, 455, 468, 504, 520, 540, 546, 567, 585, 630, 648, 702, 728, 756, 780, 810, 819, 840, 910, 936, 945, 1053, 1080, 1092, 1134, 1170, 1260, 1365, 1404, 1512, 1560, 1620, 1638, 1755, 1820, 1890, 2106, 2184, 2268, 2340, 2457, 2520, 2730, 2808, 2835, 3240, 3276, 3510, 3640, 3780, 4095, 4212, 4337, 4536, 4680, 4914, 5265, 5460, 5670, 6552, 7020, 7371, 7560, 8190, 8424, 8674, 9828, 10530, 10920, 11340, 12285, 13011, 14040, 14742, 16380, 17348, 19656, 21060, 21685, 22680, 24570, 26022, 29484, 30359, 32760, 34696, 36855, 39033, 42120, 43370, 49140, 52044, 56381, 58968, 60718, 65055, 73710, 78066, 86740, 91077, 98280, 104088, 112762, 117099, 121436, 130110, 147420, 151795, 156132, 169143, 173480, 182154, 195165, 225524, 234198, 242872, 260220, 273231, 281905, 294840, 303590, 312264, 338286, 351297, 364308, 390330, 394667, 451048, 455385, 468396, 507429, 520440, 546462, 563810, 585495, 607180, 676572, 702594, 728616, 780660, 789334, 819693, 845715, 910770, 936792, 1014858, 1092924, 1127620, 1170990, 1184001, 1214360, 1353144, 1366155, 1405188, 1522287, 1561320, 1578668, 1639386, 1691430, 1756485, 1821540, 1973335, 2029716, 2185848, 2255240, 2341980, 2368002, 2459079, 2537145, 2732310, 2810376, 3044574, 3157336, 3278772, 3382860, 3512970, 3552003, 3643080, 3946670, 4059432, 4098465, 4566861, 4683960, 4736004, 4918158, 5074290, 5464620, 5920005, 6089148, 6557544, 6765720, 7025940, 7104006, 7611435, 7893340, 8196930, 9133722, 9472008, 9836316, 10148580, 10656009, 10929240, 11840010, 12178296, 12295395, 14051880, 14208012, 15222870, 15786680, 16393860, 17760015, 18267444, 19672632, 20297160, 21312018, 22834305, 23680020, 24590790, 28416024, 30445740, 31968027, 32787720, 35520030, 36534888, 42624036, 45668610, 47360040, 49181580, 53280045, 60891480, 63936054, 71040060, 85248072, 91337220, 98363160, 106560090, 127872108, 142080120, 159840135, 182674440, 213120180, 255744216, 319680270, 426240360, 639360540, 1278721080]

約数ペア:

[(1, 1278721080), (2, 639360540), (3, 426240360), (4, 319680270), (5, 255744216), (6, 213120180), (7, 182674440), (8, 159840135), (9, 142080120), (10, 127872108), (12, 106560090), (13, 98363160), (14, 91337220), (15, 85248072), (18, 71040060), (20, 63936054), (21, 60891480), (24, 53280045), (26, 49181580), (27, 47360040), (28, 45668610), (30, 42624036), (35, 36534888), (36, 35520030), (39, 32787720), (40, 31968027), (42, 30445740), (45, 28416024), (52, 24590790), (54, 23680020), (56, 22834305), (60, 21312018), (63, 20297160), (65, 19672632), (70, 18267444), (72, 17760015), (78, 16393860), (81, 15786680), (84, 15222870), (90, 14208012), (91, 14051880), (104, 12295395), (105, 12178296), (108, 11840010), (117, 10929240), (120, 10656009), (126, 10148580), (130, 9836316), (135, 9472008), (140, 9133722), (156, 8196930), (162, 7893340), (168, 7611435), (180, 7104006), (182, 7025940), (189, 6765720), (195, 6557544), (210, 6089148), (216, 5920005), (234, 5464620), (252, 5074290), (260, 4918158), (270, 4736004), (273, 4683960), (280, 4566861), (312, 4098465), (315, 4059432), (324, 3946670), (351, 3643080), (360, 3552003), (364, 3512970), (378, 3382860), (390, 3278772), (405, 3157336), (420, 3044574), (455, 2810376), (468, 2732310), (504, 2537145), (520, 2459079), (540, 2368002), (546, 2341980), (567, 2255240), (585, 2185848), (630, 2029716), (648, 1973335), (702, 1821540), (728, 1756485), (756, 1691430), (780, 1639386), (810, 1578668), (819, 1561320), (840, 1522287), (910, 1405188), (936, 1366155), (945, 1353144), (1053, 1214360), (1080, 1184001), (1092, 1170990), (1134, 1127620), (1170, 1092924), (1260, 1014858), (1365, 936792), (1404, 910770), (1512, 845715), (1560, 819693), (1620, 789334), (1638, 780660), (1755, 728616), (1820, 702594), (1890, 676572), (2106, 607180), (2184, 585495), (2268, 563810), (2340, 546462), (2457, 520440), (2520, 507429), (2730, 468396), (2808, 455385), (2835, 451048), (3240, 394667), (3276, 390330), (3510, 364308), (3640, 351297), (3780, 338286), (4095, 312264), (4212, 303590), (4337, 294840), (4536, 281905), (4680, 273231), (4914, 260220), (5265, 242872), (5460, 234198), (5670, 225524), (6552, 195165), (7020, 182154), (7371, 173480), (7560, 169143), (8190, 156132), (8424, 151795), (8674, 147420), (9828, 130110), (10530, 121436), (10920, 117099), (11340, 112762), (12285, 104088), (13011, 98280), (14040, 91077), (14742, 86740), (16380, 78066), (17348, 73710), (19656, 65055), (21060, 60718), (21685, 58968), (22680, 56381), (24570, 52044), (26022, 49140), (29484, 43370), (30359, 42120), (32760, 39033), (34696, 36855)]