639376943940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{72491717}}^1$

素因数の和:72491746

約数の個数: 108

約数和(自身を含む): 2256087247596

約数和(自身を除く): 1616710303656

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 72491717, 144983434, 217475151, 289966868, 362458585, 434950302, 507442019, 652425453, 724917170, 869900604, 1014884038, 1087375755, 1304850906, 1449834340, 1522326057, 2029768076, 2174751510, 2537210095, 2609701812, 3044652114, 3262127265, 3552094133, 4349503020, 4566978171, 5074420190, 6089304228, 6524254530, 7104188266, 7611630285, 9133956342, 10148840380, 10656282399, 13048509060, 14208376532, 15223260570, 17760470665, 18267912684, 21312564798, 22834890855, 30446521140, 31968847197, 35520941330, 42625129596, 45669781710, 53281411995, 63937694394, 71041882660, 91339563420, 106562823990, 127875388788, 159844235985, 213125647980, 319688471970, 639376943940]

約数ペア:

[(1, 639376943940), (2, 319688471970), (3, 213125647980), (4, 159844235985), (5, 127875388788), (6, 106562823990), (7, 91339563420), (9, 71041882660), (10, 63937694394), (12, 53281411995), (14, 45669781710), (15, 42625129596), (18, 35520941330), (20, 31968847197), (21, 30446521140), (28, 22834890855), (30, 21312564798), (35, 18267912684), (36, 17760470665), (42, 15223260570), (45, 14208376532), (49, 13048509060), (60, 10656282399), (63, 10148840380), (70, 9133956342), (84, 7611630285), (90, 7104188266), (98, 6524254530), (105, 6089304228), (126, 5074420190), (140, 4566978171), (147, 4349503020), (180, 3552094133), (196, 3262127265), (210, 3044652114), (245, 2609701812), (252, 2537210095), (294, 2174751510), (315, 2029768076), (420, 1522326057), (441, 1449834340), (490, 1304850906), (588, 1087375755), (630, 1014884038), (735, 869900604), (882, 724917170), (980, 652425453), (1260, 507442019), (1470, 434950302), (1764, 362458585), (2205, 289966868), (2940, 217475151), (4410, 144983434), (8820, 72491717)]