30411720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{971}}^1$

素因数の和:1020

約数の個数: 128

約数和(自身を含む): 104976000

約数和(自身を除く): 74564280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 29, 30, 36, 40, 45, 54, 58, 60, 72, 87, 90, 108, 116, 120, 135, 145, 174, 180, 216, 232, 261, 270, 290, 348, 360, 435, 522, 540, 580, 696, 783, 870, 971, 1044, 1080, 1160, 1305, 1566, 1740, 1942, 2088, 2610, 2913, 3132, 3480, 3884, 3915, 4855, 5220, 5826, 6264, 7768, 7830, 8739, 9710, 10440, 11652, 14565, 15660, 17478, 19420, 23304, 26217, 28159, 29130, 31320, 34956, 38840, 43695, 52434, 56318, 58260, 69912, 84477, 87390, 104868, 112636, 116520, 131085, 140795, 168954, 174780, 209736, 225272, 253431, 262170, 281590, 337908, 349560, 422385, 506862, 524340, 563180, 675816, 760293, 844770, 1013724, 1048680, 1126360, 1267155, 1520586, 1689540, 2027448, 2534310, 3041172, 3379080, 3801465, 5068620, 6082344, 7602930, 10137240, 15205860, 30411720]

約数ペア:

[(1, 30411720), (2, 15205860), (3, 10137240), (4, 7602930), (5, 6082344), (6, 5068620), (8, 3801465), (9, 3379080), (10, 3041172), (12, 2534310), (15, 2027448), (18, 1689540), (20, 1520586), (24, 1267155), (27, 1126360), (29, 1048680), (30, 1013724), (36, 844770), (40, 760293), (45, 675816), (54, 563180), (58, 524340), (60, 506862), (72, 422385), (87, 349560), (90, 337908), (108, 281590), (116, 262170), (120, 253431), (135, 225272), (145, 209736), (174, 174780), (180, 168954), (216, 140795), (232, 131085), (261, 116520), (270, 112636), (290, 104868), (348, 87390), (360, 84477), (435, 69912), (522, 58260), (540, 56318), (580, 52434), (696, 43695), (783, 38840), (870, 34956), (971, 31320), (1044, 29130), (1080, 28159), (1160, 26217), (1305, 23304), (1566, 19420), (1740, 17478), (1942, 15660), (2088, 14565), (2610, 11652), (2913, 10440), (3132, 9710), (3480, 8739), (3884, 7830), (3915, 7768), (4855, 6264), (5220, 5826)]