18678660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1$

素因数の和:354

約数の個数: 192

約数和(自身を含む): 70447104

約数和(自身を除く): 51768444

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 13, 14, 15, 20, 21, 22, 26, 28, 30, 33, 35, 39, 42, 44, 52, 55, 60, 65, 66, 70, 77, 78, 84, 91, 105, 110, 130, 132, 140, 143, 154, 156, 165, 182, 195, 210, 220, 231, 260, 273, 286, 308, 311, 330, 364, 385, 390, 420, 429, 455, 462, 546, 572, 622, 660, 715, 770, 780, 858, 910, 924, 933, 1001, 1092, 1155, 1244, 1365, 1430, 1540, 1555, 1716, 1820, 1866, 2002, 2145, 2177, 2310, 2730, 2860, 3003, 3110, 3421, 3732, 4004, 4043, 4290, 4354, 4620, 4665, 5005, 5460, 6006, 6220, 6531, 6842, 8086, 8580, 8708, 9330, 10010, 10263, 10885, 12012, 12129, 13062, 13684, 15015, 16172, 17105, 18660, 20020, 20215, 20526, 21770, 23947, 24258, 26124, 28301, 30030, 32655, 34210, 40430, 41052, 43540, 44473, 47894, 48516, 51315, 56602, 60060, 60645, 65310, 68420, 71841, 80860, 84903, 88946, 95788, 102630, 113204, 119735, 121290, 130620, 133419, 141505, 143682, 169806, 177892, 205260, 222365, 239470, 242580, 266838, 283010, 287364, 311311, 339612, 359205, 424515, 444730, 478940, 533676, 566020, 622622, 667095, 718410, 849030, 889460, 933933, 1245244, 1334190, 1436820, 1556555, 1698060, 1867866, 2668380, 3113110, 3735732, 4669665, 6226220, 9339330, 18678660]

約数ペア:

[(1, 18678660), (2, 9339330), (3, 6226220), (4, 4669665), (5, 3735732), (6, 3113110), (7, 2668380), (10, 1867866), (11, 1698060), (12, 1556555), (13, 1436820), (14, 1334190), (15, 1245244), (20, 933933), (21, 889460), (22, 849030), (26, 718410), (28, 667095), (30, 622622), (33, 566020), (35, 533676), (39, 478940), (42, 444730), (44, 424515), (52, 359205), (55, 339612), (60, 311311), (65, 287364), (66, 283010), (70, 266838), (77, 242580), (78, 239470), (84, 222365), (91, 205260), (105, 177892), (110, 169806), (130, 143682), (132, 141505), (140, 133419), (143, 130620), (154, 121290), (156, 119735), (165, 113204), (182, 102630), (195, 95788), (210, 88946), (220, 84903), (231, 80860), (260, 71841), (273, 68420), (286, 65310), (308, 60645), (311, 60060), (330, 56602), (364, 51315), (385, 48516), (390, 47894), (420, 44473), (429, 43540), (455, 41052), (462, 40430), (546, 34210), (572, 32655), (622, 30030), (660, 28301), (715, 26124), (770, 24258), (780, 23947), (858, 21770), (910, 20526), (924, 20215), (933, 20020), (1001, 18660), (1092, 17105), (1155, 16172), (1244, 15015), (1365, 13684), (1430, 13062), (1540, 12129), (1555, 12012), (1716, 10885), (1820, 10263), (1866, 10010), (2002, 9330), (2145, 8708), (2177, 8580), (2310, 8086), (2730, 6842), (2860, 6531), (3003, 6220), (3110, 6006), (3421, 5460), (3732, 5005), (4004, 4665), (4043, 4620), (4290, 4354)]