18459720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1091}}^1$

素因数の和:1155

約数の個数: 96

約数和(自身を含む): 61326720

約数和(自身を除く): 42867000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 47, 60, 72, 90, 94, 120, 141, 180, 188, 235, 282, 360, 376, 423, 470, 564, 705, 846, 940, 1091, 1128, 1410, 1692, 1880, 2115, 2182, 2820, 3273, 3384, 4230, 4364, 5455, 5640, 6546, 8460, 8728, 9819, 10910, 13092, 16365, 16920, 19638, 21820, 26184, 32730, 39276, 43640, 49095, 51277, 65460, 78552, 98190, 102554, 130920, 153831, 196380, 205108, 256385, 307662, 392760, 410216, 461493, 512770, 615324, 769155, 922986, 1025540, 1230648, 1538310, 1845972, 2051080, 2307465, 3076620, 3691944, 4614930, 6153240, 9229860, 18459720]

約数ペア:

[(1, 18459720), (2, 9229860), (3, 6153240), (4, 4614930), (5, 3691944), (6, 3076620), (8, 2307465), (9, 2051080), (10, 1845972), (12, 1538310), (15, 1230648), (18, 1025540), (20, 922986), (24, 769155), (30, 615324), (36, 512770), (40, 461493), (45, 410216), (47, 392760), (60, 307662), (72, 256385), (90, 205108), (94, 196380), (120, 153831), (141, 130920), (180, 102554), (188, 98190), (235, 78552), (282, 65460), (360, 51277), (376, 49095), (423, 43640), (470, 39276), (564, 32730), (705, 26184), (846, 21820), (940, 19638), (1091, 16920), (1128, 16365), (1410, 13092), (1692, 10910), (1880, 9819), (2115, 8728), (2182, 8460), (2820, 6546), (3273, 5640), (3384, 5455), (4230, 4364)]