395319720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{20983}}^1$

素因数の和:21154

約数の個数: 64

約数和(自身を含む): 1193569920

約数和(自身を除く): 798250200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157, 314, 471, 628, 785, 942, 1256, 1570, 1884, 2355, 3140, 3768, 4710, 6280, 9420, 18840, 20983, 41966, 62949, 83932, 104915, 125898, 167864, 209830, 251796, 314745, 419660, 503592, 629490, 839320, 1258980, 2517960, 3294331, 6588662, 9882993, 13177324, 16471655, 19765986, 26354648, 32943310, 39531972, 49414965, 65886620, 79063944, 98829930, 131773240, 197659860, 395319720]

約数ペア:

[(1, 395319720), (2, 197659860), (3, 131773240), (4, 98829930), (5, 79063944), (6, 65886620), (8, 49414965), (10, 39531972), (12, 32943310), (15, 26354648), (20, 19765986), (24, 16471655), (30, 13177324), (40, 9882993), (60, 6588662), (120, 3294331), (157, 2517960), (314, 1258980), (471, 839320), (628, 629490), (785, 503592), (942, 419660), (1256, 314745), (1570, 251796), (1884, 209830), (2355, 167864), (3140, 125898), (3768, 104915), (4710, 83932), (6280, 62949), (9420, 41966), (18840, 20983)]