1814757420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{617}}^1$

素因数の和:832

約数の個数: 192

約数和(自身を含む): 5980262400

約数和(自身を除く): 4165504980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 47, 60, 70, 84, 94, 105, 140, 141, 149, 188, 210, 235, 282, 298, 329, 420, 447, 470, 564, 596, 617, 658, 705, 745, 894, 940, 987, 1043, 1234, 1316, 1410, 1490, 1645, 1788, 1851, 1974, 2086, 2235, 2468, 2820, 2980, 3085, 3129, 3290, 3702, 3948, 4172, 4319, 4470, 4935, 5215, 6170, 6258, 6580, 7003, 7404, 8638, 8940, 9255, 9870, 10430, 12340, 12516, 12957, 14006, 15645, 17276, 18510, 19740, 20860, 21009, 21595, 25914, 28012, 28999, 31290, 35015, 37020, 42018, 43190, 49021, 51828, 57998, 62580, 64785, 70030, 84036, 86380, 86997, 91933, 98042, 105045, 115996, 129570, 140060, 144995, 147063, 173994, 183866, 196084, 202993, 210090, 245105, 259140, 275799, 289990, 294126, 347988, 367732, 405986, 420180, 434985, 459665, 490210, 551598, 579980, 588252, 608979, 643531, 735315, 811972, 869970, 919330, 980420, 1014965, 1103196, 1217958, 1287062, 1378995, 1470630, 1739940, 1838660, 1930593, 2029930, 2435916, 2574124, 2757990, 2941260, 3044895, 3217655, 3861186, 4059860, 4320851, 5515980, 6089790, 6435310, 7722372, 8641702, 9652965, 12179580, 12870620, 12962553, 17283404, 19305930, 21604255, 25925106, 30245957, 38611860, 43208510, 51850212, 60491914, 64812765, 86417020, 90737871, 120983828, 129625530, 151229785, 181475742, 259251060, 302459570, 362951484, 453689355, 604919140, 907378710, 1814757420]

約数ペア:

[(1, 1814757420), (2, 907378710), (3, 604919140), (4, 453689355), (5, 362951484), (6, 302459570), (7, 259251060), (10, 181475742), (12, 151229785), (14, 129625530), (15, 120983828), (20, 90737871), (21, 86417020), (28, 64812765), (30, 60491914), (35, 51850212), (42, 43208510), (47, 38611860), (60, 30245957), (70, 25925106), (84, 21604255), (94, 19305930), (105, 17283404), (140, 12962553), (141, 12870620), (149, 12179580), (188, 9652965), (210, 8641702), (235, 7722372), (282, 6435310), (298, 6089790), (329, 5515980), (420, 4320851), (447, 4059860), (470, 3861186), (564, 3217655), (596, 3044895), (617, 2941260), (658, 2757990), (705, 2574124), (745, 2435916), (894, 2029930), (940, 1930593), (987, 1838660), (1043, 1739940), (1234, 1470630), (1316, 1378995), (1410, 1287062), (1490, 1217958), (1645, 1103196), (1788, 1014965), (1851, 980420), (1974, 919330), (2086, 869970), (2235, 811972), (2468, 735315), (2820, 643531), (2980, 608979), (3085, 588252), (3129, 579980), (3290, 551598), (3702, 490210), (3948, 459665), (4172, 434985), (4319, 420180), (4470, 405986), (4935, 367732), (5215, 347988), (6170, 294126), (6258, 289990), (6580, 275799), (7003, 259140), (7404, 245105), (8638, 210090), (8940, 202993), (9255, 196084), (9870, 183866), (10430, 173994), (12340, 147063), (12516, 144995), (12957, 140060), (14006, 129570), (15645, 115996), (17276, 105045), (18510, 98042), (19740, 91933), (20860, 86997), (21009, 86380), (21595, 84036), (25914, 70030), (28012, 64785), (28999, 62580), (31290, 57998), (35015, 51828), (37020, 49021), (42018, 43190)]