1991782240

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{57367}}^1$

素因数の和:57420

約数の個数: 96

約数和(自身を含む): 5551386624

約数和(自身を除く): 3559604384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 434, 496, 560, 620, 868, 992, 1085, 1120, 1240, 1736, 2170, 2480, 3472, 4340, 4960, 6944, 8680, 17360, 34720, 57367, 114734, 229468, 286835, 401569, 458936, 573670, 803138, 917872, 1147340, 1606276, 1778377, 1835744, 2007845, 2294680, 3212552, 3556754, 4015690, 4589360, 6425104, 7113508, 8031380, 8891885, 9178720, 12448639, 12850208, 14227016, 16062760, 17783770, 24897278, 28454032, 32125520, 35567540, 49794556, 56908064, 62243195, 64251040, 71135080, 99589112, 124486390, 142270160, 199178224, 248972780, 284540320, 398356448, 497945560, 995891120, 1991782240]

約数ペア:

[(1, 1991782240), (2, 995891120), (4, 497945560), (5, 398356448), (7, 284540320), (8, 248972780), (10, 199178224), (14, 142270160), (16, 124486390), (20, 99589112), (28, 71135080), (31, 64251040), (32, 62243195), (35, 56908064), (40, 49794556), (56, 35567540), (62, 32125520), (70, 28454032), (80, 24897278), (112, 17783770), (124, 16062760), (140, 14227016), (155, 12850208), (160, 12448639), (217, 9178720), (224, 8891885), (248, 8031380), (280, 7113508), (310, 6425104), (434, 4589360), (496, 4015690), (560, 3556754), (620, 3212552), (868, 2294680), (992, 2007845), (1085, 1835744), (1120, 1778377), (1240, 1606276), (1736, 1147340), (2170, 917872), (2480, 803138), (3472, 573670), (4340, 458936), (4960, 401569), (6944, 286835), (8680, 229468), (17360, 114734), (34720, 57367)]