15230720

素因数分解:

$2^8\times 5^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:257

約数の個数: 72

約数和(自身を含む): 37208976

約数和(自身を除く): 21978256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 128, 146, 160, 163, 256, 292, 320, 326, 365, 584, 640, 652, 730, 815, 1168, 1280, 1304, 1460, 1630, 2336, 2608, 2920, 3260, 4672, 5216, 5840, 6520, 9344, 10432, 11680, 11899, 13040, 18688, 20864, 23360, 23798, 26080, 41728, 46720, 47596, 52160, 59495, 93440, 95192, 104320, 118990, 190384, 208640, 237980, 380768, 475960, 761536, 951920, 1523072, 1903840, 3046144, 3807680, 7615360, 15230720]

約数ペア:

[(1, 15230720), (2, 7615360), (4, 3807680), (5, 3046144), (8, 1903840), (10, 1523072), (16, 951920), (20, 761536), (32, 475960), (40, 380768), (64, 237980), (73, 208640), (80, 190384), (128, 118990), (146, 104320), (160, 95192), (163, 93440), (256, 59495), (292, 52160), (320, 47596), (326, 46720), (365, 41728), (584, 26080), (640, 23798), (652, 23360), (730, 20864), (815, 18688), (1168, 13040), (1280, 11899), (1304, 11680), (1460, 10432), (1630, 9344), (2336, 6520), (2608, 5840), (2920, 5216), (3260, 4672)]