18723040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{229}}^1$

素因数の和:324

約数の個数: 96

約数和(自身を含む): 51468480

約数和(自身を除く): 32745440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 73, 80, 112, 140, 146, 160, 224, 229, 280, 292, 365, 458, 511, 560, 584, 730, 916, 1022, 1120, 1145, 1168, 1460, 1603, 1832, 2044, 2290, 2336, 2555, 2920, 3206, 3664, 4088, 4580, 5110, 5840, 6412, 7328, 8015, 8176, 9160, 10220, 11680, 12824, 16030, 16352, 16717, 18320, 20440, 25648, 32060, 33434, 36640, 40880, 51296, 64120, 66868, 81760, 83585, 117019, 128240, 133736, 167170, 234038, 256480, 267472, 334340, 468076, 534944, 585095, 668680, 936152, 1170190, 1337360, 1872304, 2340380, 2674720, 3744608, 4680760, 9361520, 18723040]

約数ペア:

[(1, 18723040), (2, 9361520), (4, 4680760), (5, 3744608), (7, 2674720), (8, 2340380), (10, 1872304), (14, 1337360), (16, 1170190), (20, 936152), (28, 668680), (32, 585095), (35, 534944), (40, 468076), (56, 334340), (70, 267472), (73, 256480), (80, 234038), (112, 167170), (140, 133736), (146, 128240), (160, 117019), (224, 83585), (229, 81760), (280, 66868), (292, 64120), (365, 51296), (458, 40880), (511, 36640), (560, 33434), (584, 32060), (730, 25648), (916, 20440), (1022, 18320), (1120, 16717), (1145, 16352), (1168, 16030), (1460, 12824), (1603, 11680), (1832, 10220), (2044, 9160), (2290, 8176), (2336, 8015), (2555, 7328), (2920, 6412), (3206, 5840), (3664, 5110), (4088, 4580)]