381981720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{7561}}^1$

素因数の和:7996

約数の個数: 64

約数和(自身を含む): 1148819040

約数和(自身を除く): 766837320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 421, 842, 1263, 1684, 2105, 2526, 3368, 4210, 5052, 6315, 7561, 8420, 10104, 12630, 15122, 16840, 22683, 25260, 30244, 37805, 45366, 50520, 60488, 75610, 90732, 113415, 151220, 181464, 226830, 302440, 453660, 907320, 3183181, 6366362, 9549543, 12732724, 15915905, 19099086, 25465448, 31831810, 38198172, 47747715, 63663620, 76396344, 95495430, 127327240, 190990860, 381981720]

約数ペア:

[(1, 381981720), (2, 190990860), (3, 127327240), (4, 95495430), (5, 76396344), (6, 63663620), (8, 47747715), (10, 38198172), (12, 31831810), (15, 25465448), (20, 19099086), (24, 15915905), (30, 12732724), (40, 9549543), (60, 6366362), (120, 3183181), (421, 907320), (842, 453660), (1263, 302440), (1684, 226830), (2105, 181464), (2526, 151220), (3368, 113415), (4210, 90732), (5052, 75610), (6315, 60488), (7561, 50520), (8420, 45366), (10104, 37805), (12630, 30244), (15122, 25260), (16840, 22683)]