30728080

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2011}}^1$

素因数の和:2215

約数の個数: 40

約数和(自身を含む): 71852544

約数和(自身を除く): 41124464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 382, 764, 955, 1528, 1910, 2011, 3056, 3820, 4022, 7640, 8044, 10055, 15280, 16088, 20110, 32176, 40220, 80440, 160880, 384101, 768202, 1536404, 1920505, 3072808, 3841010, 6145616, 7682020, 15364040, 30728080]

約数ペア:

[(1, 30728080), (2, 15364040), (4, 7682020), (5, 6145616), (8, 3841010), (10, 3072808), (16, 1920505), (20, 1536404), (40, 768202), (80, 384101), (191, 160880), (382, 80440), (764, 40220), (955, 32176), (1528, 20110), (1910, 16088), (2011, 15280), (3056, 10055), (3820, 8044), (4022, 7640)]