2028021240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4099}}^1$

素因数の和:4170

約数の個数: 256

約数和(自身を含む): 7557120000

約数和(自身を除く): 5529098760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 31, 35, 38, 40, 42, 56, 57, 60, 62, 70, 76, 84, 93, 95, 105, 114, 120, 124, 133, 140, 152, 155, 168, 186, 190, 210, 217, 228, 248, 266, 280, 285, 310, 372, 380, 399, 420, 434, 456, 465, 532, 570, 589, 620, 651, 665, 744, 760, 798, 840, 868, 930, 1064, 1085, 1140, 1178, 1240, 1302, 1330, 1596, 1736, 1767, 1860, 1995, 2170, 2280, 2356, 2604, 2660, 2945, 3192, 3255, 3534, 3720, 3990, 4099, 4123, 4340, 4712, 5208, 5320, 5890, 6510, 7068, 7980, 8198, 8246, 8680, 8835, 11780, 12297, 12369, 13020, 14136, 15960, 16396, 16492, 17670, 20495, 20615, 23560, 24594, 24738, 26040, 28693, 32792, 32984, 35340, 40990, 41230, 49188, 49476, 57386, 61485, 61845, 70680, 77881, 81980, 82460, 86079, 98376, 98952, 114772, 122970, 123690, 127069, 143465, 155762, 163960, 164920, 172158, 229544, 233643, 245940, 247380, 254138, 286930, 311524, 344316, 381207, 389405, 430395, 467286, 491880, 494760, 508276, 545167, 573860, 623048, 635345, 688632, 762414, 778810, 860790, 889483, 934572, 1016552, 1090334, 1147720, 1168215, 1270690, 1524828, 1557620, 1635501, 1721580, 1778966, 1869144, 1906035, 2180668, 2336430, 2414311, 2541380, 2668449, 2725835, 3049656, 3115240, 3271002, 3443160, 3557932, 3812070, 4361336, 4447415, 4672860, 4828622, 5082760, 5336898, 5451670, 6542004, 7115864, 7242933, 7624140, 8177505, 8894830, 9345720, 9657244, 10673796, 10903340, 12071555, 13084008, 13342245, 14485866, 15248280, 16355010, 16900177, 17789660, 19314488, 21347592, 21806680, 24143110, 26684490, 28971732, 32710020, 33800354, 35579320, 36214665, 48286220, 50700531, 53368980, 57943464, 65420040, 67600708, 72429330, 84500885, 96572440, 101401062, 106737960, 135201416, 144858660, 169001770, 202802124, 253502655, 289717320, 338003540, 405604248, 507005310, 676007080, 1014010620, 2028021240]

約数ペア:

[(1, 2028021240), (2, 1014010620), (3, 676007080), (4, 507005310), (5, 405604248), (6, 338003540), (7, 289717320), (8, 253502655), (10, 202802124), (12, 169001770), (14, 144858660), (15, 135201416), (19, 106737960), (20, 101401062), (21, 96572440), (24, 84500885), (28, 72429330), (30, 67600708), (31, 65420040), (35, 57943464), (38, 53368980), (40, 50700531), (42, 48286220), (56, 36214665), (57, 35579320), (60, 33800354), (62, 32710020), (70, 28971732), (76, 26684490), (84, 24143110), (93, 21806680), (95, 21347592), (105, 19314488), (114, 17789660), (120, 16900177), (124, 16355010), (133, 15248280), (140, 14485866), (152, 13342245), (155, 13084008), (168, 12071555), (186, 10903340), (190, 10673796), (210, 9657244), (217, 9345720), (228, 8894830), (248, 8177505), (266, 7624140), (280, 7242933), (285, 7115864), (310, 6542004), (372, 5451670), (380, 5336898), (399, 5082760), (420, 4828622), (434, 4672860), (456, 4447415), (465, 4361336), (532, 3812070), (570, 3557932), (589, 3443160), (620, 3271002), (651, 3115240), (665, 3049656), (744, 2725835), (760, 2668449), (798, 2541380), (840, 2414311), (868, 2336430), (930, 2180668), (1064, 1906035), (1085, 1869144), (1140, 1778966), (1178, 1721580), (1240, 1635501), (1302, 1557620), (1330, 1524828), (1596, 1270690), (1736, 1168215), (1767, 1147720), (1860, 1090334), (1995, 1016552), (2170, 934572), (2280, 889483), (2356, 860790), (2604, 778810), (2660, 762414), (2945, 688632), (3192, 635345), (3255, 623048), (3534, 573860), (3720, 545167), (3990, 508276), (4099, 494760), (4123, 491880), (4340, 467286), (4712, 430395), (5208, 389405), (5320, 381207), (5890, 344316), (6510, 311524), (7068, 286930), (7980, 254138), (8198, 247380), (8246, 245940), (8680, 233643), (8835, 229544), (11780, 172158), (12297, 164920), (12369, 163960), (13020, 155762), (14136, 143465), (15960, 127069), (16396, 123690), (16492, 122970), (17670, 114772), (20495, 98952), (20615, 98376), (23560, 86079), (24594, 82460), (24738, 81980), (26040, 77881), (28693, 70680), (32792, 61845), (32984, 61485), (35340, 57386), (40990, 49476), (41230, 49188)]