489070260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{659}}^1$

素因数の和:731

約数の個数: 288

約数和(自身を含む): 1845043200

約数和(自身を除く): 1355972940

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 31, 35, 36, 38, 42, 45, 57, 60, 62, 63, 70, 76, 84, 90, 93, 95, 105, 114, 124, 126, 133, 140, 155, 171, 180, 186, 190, 210, 217, 228, 252, 266, 279, 285, 310, 315, 342, 372, 380, 399, 420, 434, 465, 532, 558, 570, 589, 620, 630, 651, 659, 665, 684, 798, 855, 868, 930, 1085, 1116, 1140, 1178, 1197, 1260, 1302, 1318, 1330, 1395, 1596, 1710, 1767, 1860, 1953, 1977, 1995, 2170, 2356, 2394, 2604, 2636, 2660, 2790, 2945, 3255, 3295, 3420, 3534, 3906, 3954, 3990, 4123, 4340, 4613, 4788, 5301, 5580, 5890, 5931, 5985, 6510, 6590, 7068, 7812, 7908, 7980, 8246, 8835, 9226, 9765, 9885, 10602, 11780, 11862, 11970, 12369, 12521, 13020, 13180, 13839, 16492, 17670, 18452, 19530, 19770, 20429, 20615, 21204, 23065, 23724, 23940, 24738, 25042, 26505, 27678, 29655, 35340, 37107, 37563, 39060, 39540, 40858, 41230, 41517, 46130, 49476, 50084, 53010, 55356, 59310, 61287, 61845, 62605, 69195, 74214, 75126, 81716, 82460, 83034, 87647, 92260, 102145, 106020, 112689, 118620, 122574, 123690, 125210, 138390, 143003, 148428, 150252, 166068, 175294, 183861, 185535, 187815, 204290, 207585, 225378, 245148, 247380, 250420, 262941, 276780, 286006, 306435, 350588, 367722, 371070, 375630, 388151, 408580, 415170, 429009, 438235, 450756, 525882, 563445, 572012, 612870, 715015, 735444, 742140, 751260, 776302, 788823, 830340, 858018, 876470, 919305, 1051764, 1126890, 1164453, 1225740, 1287027, 1314705, 1430030, 1552604, 1577646, 1716036, 1752940, 1838610, 1940755, 2145045, 2253780, 2328906, 2574054, 2629410, 2717057, 2860060, 3155292, 3493359, 3677220, 3881510, 3944115, 4290090, 4657812, 5148108, 5258820, 5434114, 5822265, 6435135, 6986718, 7763020, 7888230, 8151171, 8580180, 10868228, 11644530, 12870270, 13585285, 13973436, 15776460, 16302342, 17466795, 23289060, 24453513, 25740540, 27170570, 32604684, 34933590, 40755855, 48907026, 54341140, 69867180, 81511710, 97814052, 122267565, 163023420, 244535130, 489070260]

約数ペア:

[(1, 489070260), (2, 244535130), (3, 163023420), (4, 122267565), (5, 97814052), (6, 81511710), (7, 69867180), (9, 54341140), (10, 48907026), (12, 40755855), (14, 34933590), (15, 32604684), (18, 27170570), (19, 25740540), (20, 24453513), (21, 23289060), (28, 17466795), (30, 16302342), (31, 15776460), (35, 13973436), (36, 13585285), (38, 12870270), (42, 11644530), (45, 10868228), (57, 8580180), (60, 8151171), (62, 7888230), (63, 7763020), (70, 6986718), (76, 6435135), (84, 5822265), (90, 5434114), (93, 5258820), (95, 5148108), (105, 4657812), (114, 4290090), (124, 3944115), (126, 3881510), (133, 3677220), (140, 3493359), (155, 3155292), (171, 2860060), (180, 2717057), (186, 2629410), (190, 2574054), (210, 2328906), (217, 2253780), (228, 2145045), (252, 1940755), (266, 1838610), (279, 1752940), (285, 1716036), (310, 1577646), (315, 1552604), (342, 1430030), (372, 1314705), (380, 1287027), (399, 1225740), (420, 1164453), (434, 1126890), (465, 1051764), (532, 919305), (558, 876470), (570, 858018), (589, 830340), (620, 788823), (630, 776302), (651, 751260), (659, 742140), (665, 735444), (684, 715015), (798, 612870), (855, 572012), (868, 563445), (930, 525882), (1085, 450756), (1116, 438235), (1140, 429009), (1178, 415170), (1197, 408580), (1260, 388151), (1302, 375630), (1318, 371070), (1330, 367722), (1395, 350588), (1596, 306435), (1710, 286006), (1767, 276780), (1860, 262941), (1953, 250420), (1977, 247380), (1995, 245148), (2170, 225378), (2356, 207585), (2394, 204290), (2604, 187815), (2636, 185535), (2660, 183861), (2790, 175294), (2945, 166068), (3255, 150252), (3295, 148428), (3420, 143003), (3534, 138390), (3906, 125210), (3954, 123690), (3990, 122574), (4123, 118620), (4340, 112689), (4613, 106020), (4788, 102145), (5301, 92260), (5580, 87647), (5890, 83034), (5931, 82460), (5985, 81716), (6510, 75126), (6590, 74214), (7068, 69195), (7812, 62605), (7908, 61845), (7980, 61287), (8246, 59310), (8835, 55356), (9226, 53010), (9765, 50084), (9885, 49476), (10602, 46130), (11780, 41517), (11862, 41230), (11970, 40858), (12369, 39540), (12521, 39060), (13020, 37563), (13180, 37107), (13839, 35340), (16492, 29655), (17670, 27678), (18452, 26505), (19530, 25042), (19770, 24738), (20429, 23940), (20615, 23724), (21204, 23065)]