161080040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1447}}^1$

素因数の和:1503

約数の個数: 96

約数和(自身を含む): 415981440

約数和(自身を除く): 254901400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 121, 184, 220, 230, 242, 253, 440, 460, 484, 506, 605, 920, 968, 1012, 1210, 1265, 1447, 2024, 2420, 2530, 2783, 2894, 4840, 5060, 5566, 5788, 7235, 10120, 11132, 11576, 13915, 14470, 15917, 22264, 27830, 28940, 31834, 33281, 55660, 57880, 63668, 66562, 79585, 111320, 127336, 133124, 159170, 166405, 175087, 266248, 318340, 332810, 350174, 366091, 636680, 665620, 700348, 732182, 875435, 1331240, 1400696, 1464364, 1750870, 1830455, 2928728, 3501740, 3660910, 4027001, 7003480, 7321820, 8054002, 14643640, 16108004, 20135005, 32216008, 40270010, 80540020, 161080040]

約数ペア:

[(1, 161080040), (2, 80540020), (4, 40270010), (5, 32216008), (8, 20135005), (10, 16108004), (11, 14643640), (20, 8054002), (22, 7321820), (23, 7003480), (40, 4027001), (44, 3660910), (46, 3501740), (55, 2928728), (88, 1830455), (92, 1750870), (110, 1464364), (115, 1400696), (121, 1331240), (184, 875435), (220, 732182), (230, 700348), (242, 665620), (253, 636680), (440, 366091), (460, 350174), (484, 332810), (506, 318340), (605, 266248), (920, 175087), (968, 166405), (1012, 159170), (1210, 133124), (1265, 127336), (1447, 111320), (2024, 79585), (2420, 66562), (2530, 63668), (2783, 57880), (2894, 55660), (4840, 33281), (5060, 31834), (5566, 28940), (5788, 27830), (7235, 22264), (10120, 15917), (11132, 14470), (11576, 13915)]