78601620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{3203}}^1$

素因数の和:3624

約数の個数: 48

約数和(自身を含む): 220691520

約数和(自身を除く): 142089900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 409, 818, 1227, 1636, 2045, 2454, 3203, 4090, 4908, 6135, 6406, 8180, 9609, 12270, 12812, 16015, 19218, 24540, 32030, 38436, 48045, 64060, 96090, 192180, 1310027, 2620054, 3930081, 5240108, 6550135, 7860162, 13100270, 15720324, 19650405, 26200540, 39300810, 78601620]

約数ペア:

[(1, 78601620), (2, 39300810), (3, 26200540), (4, 19650405), (5, 15720324), (6, 13100270), (10, 7860162), (12, 6550135), (15, 5240108), (20, 3930081), (30, 2620054), (60, 1310027), (409, 192180), (818, 96090), (1227, 64060), (1636, 48045), (2045, 38436), (2454, 32030), (3203, 24540), (4090, 19218), (4908, 16015), (6135, 12812), (6406, 12270), (8180, 9609)]