213475920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4099}}^1$

素因数の和:4153

約数の個数: 160

約数和(自身を含む): 780902400

約数和(自身を除く): 567426480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 140, 155, 168, 186, 210, 217, 240, 248, 280, 310, 336, 372, 420, 434, 465, 496, 560, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1488, 1680, 1736, 1860, 2170, 2480, 2604, 3255, 3472, 3720, 4099, 4340, 5208, 6510, 7440, 8198, 8680, 10416, 12297, 13020, 16396, 17360, 20495, 24594, 26040, 28693, 32792, 40990, 49188, 52080, 57386, 61485, 65584, 81980, 86079, 98376, 114772, 122970, 127069, 143465, 163960, 172158, 196752, 229544, 245940, 254138, 286930, 327920, 344316, 381207, 430395, 459088, 491880, 508276, 573860, 635345, 688632, 762414, 860790, 889483, 983760, 1016552, 1147720, 1270690, 1377264, 1524828, 1721580, 1778966, 1906035, 2033104, 2295440, 2541380, 2668449, 3049656, 3443160, 3557932, 3812070, 4447415, 5082760, 5336898, 6099312, 6886320, 7115864, 7624140, 8894830, 10165520, 10673796, 13342245, 14231728, 15248280, 17789660, 21347592, 26684490, 30496560, 35579320, 42695184, 53368980, 71158640, 106737960, 213475920]

約数ペア:

[(1, 213475920), (2, 106737960), (3, 71158640), (4, 53368980), (5, 42695184), (6, 35579320), (7, 30496560), (8, 26684490), (10, 21347592), (12, 17789660), (14, 15248280), (15, 14231728), (16, 13342245), (20, 10673796), (21, 10165520), (24, 8894830), (28, 7624140), (30, 7115864), (31, 6886320), (35, 6099312), (40, 5336898), (42, 5082760), (48, 4447415), (56, 3812070), (60, 3557932), (62, 3443160), (70, 3049656), (80, 2668449), (84, 2541380), (93, 2295440), (105, 2033104), (112, 1906035), (120, 1778966), (124, 1721580), (140, 1524828), (155, 1377264), (168, 1270690), (186, 1147720), (210, 1016552), (217, 983760), (240, 889483), (248, 860790), (280, 762414), (310, 688632), (336, 635345), (372, 573860), (420, 508276), (434, 491880), (465, 459088), (496, 430395), (560, 381207), (620, 344316), (651, 327920), (744, 286930), (840, 254138), (868, 245940), (930, 229544), (1085, 196752), (1240, 172158), (1302, 163960), (1488, 143465), (1680, 127069), (1736, 122970), (1860, 114772), (2170, 98376), (2480, 86079), (2604, 81980), (3255, 65584), (3472, 61485), (3720, 57386), (4099, 52080), (4340, 49188), (5208, 40990), (6510, 32792), (7440, 28693), (8198, 26040), (8680, 24594), (10416, 20495), (12297, 17360), (13020, 16396)]