30644640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1637}}^1$

素因数の和:1671

約数の個数: 144

約数和(自身を含む): 112687848

約数和(自身を除く): 82043208

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1560, 1637, 1872, 2080, 2340, 3120, 3274, 3744, 4680, 4911, 6240, 6548, 8185, 9360, 9822, 13096, 14733, 16370, 18720, 19644, 21281, 24555, 26192, 29466, 32740, 39288, 42562, 49110, 52384, 58932, 63843, 65480, 73665, 78576, 85124, 98220, 106405, 117864, 127686, 130960, 147330, 157152, 170248, 191529, 196440, 212810, 235728, 255372, 261920, 294660, 319215, 340496, 383058, 392880, 425620, 471456, 510744, 589320, 638430, 680992, 766116, 785760, 851240, 957645, 1021488, 1178640, 1276860, 1532232, 1702480, 1915290, 2042976, 2357280, 2553720, 3064464, 3404960, 3830580, 5107440, 6128928, 7661160, 10214880, 15322320, 30644640]

約数ペア:

[(1, 30644640), (2, 15322320), (3, 10214880), (4, 7661160), (5, 6128928), (6, 5107440), (8, 3830580), (9, 3404960), (10, 3064464), (12, 2553720), (13, 2357280), (15, 2042976), (16, 1915290), (18, 1702480), (20, 1532232), (24, 1276860), (26, 1178640), (30, 1021488), (32, 957645), (36, 851240), (39, 785760), (40, 766116), (45, 680992), (48, 638430), (52, 589320), (60, 510744), (65, 471456), (72, 425620), (78, 392880), (80, 383058), (90, 340496), (96, 319215), (104, 294660), (117, 261920), (120, 255372), (130, 235728), (144, 212810), (156, 196440), (160, 191529), (180, 170248), (195, 157152), (208, 147330), (234, 130960), (240, 127686), (260, 117864), (288, 106405), (312, 98220), (360, 85124), (390, 78576), (416, 73665), (468, 65480), (480, 63843), (520, 58932), (585, 52384), (624, 49110), (720, 42562), (780, 39288), (936, 32740), (1040, 29466), (1170, 26192), (1248, 24555), (1440, 21281), (1560, 19644), (1637, 18720), (1872, 16370), (2080, 14733), (2340, 13096), (3120, 9822), (3274, 9360), (3744, 8185), (4680, 6548), (4911, 6240)]