320416

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:77

約数の個数: 48

約数和(自身を含む): 725760

約数和(自身を除く): 405344

約数列:

[1, 2, 4, 8, 16, 17, 19, 31, 32, 34, 38, 62, 68, 76, 124, 136, 152, 248, 272, 304, 323, 496, 527, 544, 589, 608, 646, 992, 1054, 1178, 1292, 2108, 2356, 2584, 4216, 4712, 5168, 8432, 9424, 10013, 10336, 16864, 18848, 20026, 40052, 80104, 160208, 320416]

約数ペア:

[(1, 320416), (2, 160208), (4, 80104), (8, 40052), (16, 20026), (17, 18848), (19, 16864), (31, 10336), (32, 10013), (34, 9424), (38, 8432), (62, 5168), (68, 4712), (76, 4216), (124, 2584), (136, 2356), (152, 2108), (248, 1292), (272, 1178), (304, 1054), (323, 992), (496, 646), (527, 608), (544, 589)]