890143920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2099}}^1$

素因数の和:2168

約数の個数: 240

約数和(自身を含む): 3249792000

約数和(自身を除く): 2359648080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 31, 36, 38, 40, 45, 48, 57, 60, 62, 72, 76, 80, 90, 93, 95, 114, 120, 124, 144, 152, 155, 171, 180, 186, 190, 228, 240, 248, 279, 285, 304, 310, 342, 360, 372, 380, 456, 465, 496, 558, 570, 589, 620, 684, 720, 744, 760, 855, 912, 930, 1116, 1140, 1178, 1240, 1368, 1395, 1488, 1520, 1710, 1767, 1860, 2099, 2232, 2280, 2356, 2480, 2736, 2790, 2945, 3420, 3534, 3720, 4198, 4464, 4560, 4712, 5301, 5580, 5890, 6297, 6840, 7068, 7440, 8396, 8835, 9424, 10495, 10602, 11160, 11780, 12594, 13680, 14136, 16792, 17670, 18891, 20990, 21204, 22320, 23560, 25188, 26505, 28272, 31485, 33584, 35340, 37782, 39881, 41980, 42408, 47120, 50376, 53010, 62970, 65069, 70680, 75564, 79762, 83960, 84816, 94455, 100752, 106020, 119643, 125940, 130138, 141360, 151128, 159524, 167920, 188910, 195207, 199405, 212040, 239286, 251880, 260276, 302256, 319048, 325345, 358929, 377820, 390414, 398810, 424080, 478572, 503760, 520552, 585621, 598215, 638096, 650690, 717858, 755640, 780828, 797620, 957144, 976035, 1041104, 1171242, 1196430, 1236311, 1301380, 1435716, 1511280, 1561656, 1595240, 1794645, 1914288, 1952070, 2342484, 2392860, 2472622, 2602760, 2871432, 2928105, 3123312, 3190480, 3589290, 3708933, 3904140, 4684968, 4785720, 4945244, 5205520, 5742864, 5856210, 6181555, 7178580, 7417866, 7808280, 9369936, 9571440, 9890488, 11126799, 11712420, 12363110, 14357160, 14835732, 15616560, 18544665, 19780976, 22253598, 23424840, 24726220, 28714320, 29671464, 37089330, 44507196, 46849680, 49452440, 55633995, 59342928, 74178660, 89014392, 98904880, 111267990, 148357320, 178028784, 222535980, 296714640, 445071960, 890143920]

約数ペア:

[(1, 890143920), (2, 445071960), (3, 296714640), (4, 222535980), (5, 178028784), (6, 148357320), (8, 111267990), (9, 98904880), (10, 89014392), (12, 74178660), (15, 59342928), (16, 55633995), (18, 49452440), (19, 46849680), (20, 44507196), (24, 37089330), (30, 29671464), (31, 28714320), (36, 24726220), (38, 23424840), (40, 22253598), (45, 19780976), (48, 18544665), (57, 15616560), (60, 14835732), (62, 14357160), (72, 12363110), (76, 11712420), (80, 11126799), (90, 9890488), (93, 9571440), (95, 9369936), (114, 7808280), (120, 7417866), (124, 7178580), (144, 6181555), (152, 5856210), (155, 5742864), (171, 5205520), (180, 4945244), (186, 4785720), (190, 4684968), (228, 3904140), (240, 3708933), (248, 3589290), (279, 3190480), (285, 3123312), (304, 2928105), (310, 2871432), (342, 2602760), (360, 2472622), (372, 2392860), (380, 2342484), (456, 1952070), (465, 1914288), (496, 1794645), (558, 1595240), (570, 1561656), (589, 1511280), (620, 1435716), (684, 1301380), (720, 1236311), (744, 1196430), (760, 1171242), (855, 1041104), (912, 976035), (930, 957144), (1116, 797620), (1140, 780828), (1178, 755640), (1240, 717858), (1368, 650690), (1395, 638096), (1488, 598215), (1520, 585621), (1710, 520552), (1767, 503760), (1860, 478572), (2099, 424080), (2232, 398810), (2280, 390414), (2356, 377820), (2480, 358929), (2736, 325345), (2790, 319048), (2945, 302256), (3420, 260276), (3534, 251880), (3720, 239286), (4198, 212040), (4464, 199405), (4560, 195207), (4712, 188910), (5301, 167920), (5580, 159524), (5890, 151128), (6297, 141360), (6840, 130138), (7068, 125940), (7440, 119643), (8396, 106020), (8835, 100752), (9424, 94455), (10495, 84816), (10602, 83960), (11160, 79762), (11780, 75564), (12594, 70680), (13680, 65069), (14136, 62970), (16792, 53010), (17670, 50376), (18891, 47120), (20990, 42408), (21204, 41980), (22320, 39881), (23560, 37782), (25188, 35340), (26505, 33584), (28272, 31485)]