81813060

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2239}}^1$

素因数の和:2290

約数の個数: 144

約数和(自身を含む): 293529600

約数和(自身を除く): 211716540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 29, 30, 35, 36, 42, 45, 58, 60, 63, 70, 84, 87, 90, 105, 116, 126, 140, 145, 174, 180, 203, 210, 252, 261, 290, 315, 348, 406, 420, 435, 522, 580, 609, 630, 812, 870, 1015, 1044, 1218, 1260, 1305, 1740, 1827, 2030, 2239, 2436, 2610, 3045, 3654, 4060, 4478, 5220, 6090, 6717, 7308, 8956, 9135, 11195, 12180, 13434, 15673, 18270, 20151, 22390, 26868, 31346, 33585, 36540, 40302, 44780, 47019, 62692, 64931, 67170, 78365, 80604, 94038, 100755, 129862, 134340, 141057, 156730, 188076, 194793, 201510, 235095, 259724, 282114, 313460, 324655, 389586, 403020, 454517, 470190, 564228, 584379, 649310, 705285, 779172, 909034, 940380, 973965, 1168758, 1298620, 1363551, 1410570, 1818068, 1947930, 2272585, 2337516, 2727102, 2821140, 2921895, 3895860, 4090653, 4545170, 5454204, 5843790, 6817755, 8181306, 9090340, 11687580, 13635510, 16362612, 20453265, 27271020, 40906530, 81813060]

約数ペア:

[(1, 81813060), (2, 40906530), (3, 27271020), (4, 20453265), (5, 16362612), (6, 13635510), (7, 11687580), (9, 9090340), (10, 8181306), (12, 6817755), (14, 5843790), (15, 5454204), (18, 4545170), (20, 4090653), (21, 3895860), (28, 2921895), (29, 2821140), (30, 2727102), (35, 2337516), (36, 2272585), (42, 1947930), (45, 1818068), (58, 1410570), (60, 1363551), (63, 1298620), (70, 1168758), (84, 973965), (87, 940380), (90, 909034), (105, 779172), (116, 705285), (126, 649310), (140, 584379), (145, 564228), (174, 470190), (180, 454517), (203, 403020), (210, 389586), (252, 324655), (261, 313460), (290, 282114), (315, 259724), (348, 235095), (406, 201510), (420, 194793), (435, 188076), (522, 156730), (580, 141057), (609, 134340), (630, 129862), (812, 100755), (870, 94038), (1015, 80604), (1044, 78365), (1218, 67170), (1260, 64931), (1305, 62692), (1740, 47019), (1827, 44780), (2030, 40302), (2239, 36540), (2436, 33585), (2610, 31346), (3045, 26868), (3654, 22390), (4060, 20151), (4478, 18270), (5220, 15673), (6090, 13434), (6717, 12180), (7308, 11195), (8956, 9135)]