1831720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:226

約数の個数: 64

約数和(自身を含む): 4717440

約数和(自身を除く): 2885720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 181, 184, 220, 230, 253, 362, 440, 460, 506, 724, 905, 920, 1012, 1265, 1448, 1810, 1991, 2024, 2530, 3620, 3982, 4163, 5060, 7240, 7964, 8326, 9955, 10120, 15928, 16652, 19910, 20815, 33304, 39820, 41630, 45793, 79640, 83260, 91586, 166520, 183172, 228965, 366344, 457930, 915860, 1831720]

約数ペア:

[(1, 1831720), (2, 915860), (4, 457930), (5, 366344), (8, 228965), (10, 183172), (11, 166520), (20, 91586), (22, 83260), (23, 79640), (40, 45793), (44, 41630), (46, 39820), (55, 33304), (88, 20815), (92, 19910), (110, 16652), (115, 15928), (181, 10120), (184, 9955), (220, 8326), (230, 7964), (253, 7240), (362, 5060), (440, 4163), (460, 3982), (506, 3620), (724, 2530), (905, 2024), (920, 1991), (1012, 1810), (1265, 1448)]