19678320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1$

素因数の和:351

約数の個数: 120

約数和(自身を含む): 66891552

約数和(自身を除く): 47213232

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 151, 180, 181, 240, 302, 360, 362, 453, 543, 604, 720, 724, 755, 905, 906, 1086, 1208, 1359, 1448, 1510, 1629, 1810, 1812, 2172, 2265, 2416, 2715, 2718, 2896, 3020, 3258, 3620, 3624, 4344, 4530, 5430, 5436, 6040, 6516, 6795, 7240, 7248, 8145, 8688, 9060, 10860, 10872, 12080, 13032, 13590, 14480, 16290, 18120, 21720, 21744, 26064, 27180, 27331, 32580, 36240, 43440, 54360, 54662, 65160, 81993, 108720, 109324, 130320, 136655, 163986, 218648, 245979, 273310, 327972, 409965, 437296, 491958, 546620, 655944, 819930, 983916, 1093240, 1229895, 1311888, 1639860, 1967832, 2186480, 2459790, 3279720, 3935664, 4919580, 6559440, 9839160, 19678320]

約数ペア:

[(1, 19678320), (2, 9839160), (3, 6559440), (4, 4919580), (5, 3935664), (6, 3279720), (8, 2459790), (9, 2186480), (10, 1967832), (12, 1639860), (15, 1311888), (16, 1229895), (18, 1093240), (20, 983916), (24, 819930), (30, 655944), (36, 546620), (40, 491958), (45, 437296), (48, 409965), (60, 327972), (72, 273310), (80, 245979), (90, 218648), (120, 163986), (144, 136655), (151, 130320), (180, 109324), (181, 108720), (240, 81993), (302, 65160), (360, 54662), (362, 54360), (453, 43440), (543, 36240), (604, 32580), (720, 27331), (724, 27180), (755, 26064), (905, 21744), (906, 21720), (1086, 18120), (1208, 16290), (1359, 14480), (1448, 13590), (1510, 13032), (1629, 12080), (1810, 10872), (1812, 10860), (2172, 9060), (2265, 8688), (2416, 8145), (2715, 7248), (2718, 7240), (2896, 6795), (3020, 6516), (3258, 6040), (3620, 5436), (3624, 5430), (4344, 4530)]