16920640

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:81

約数の個数: 168

約数和(自身を含む): 48646080

約数和(自身を除く): 31725440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 23, 32, 38, 40, 44, 46, 55, 64, 76, 80, 88, 92, 95, 110, 115, 121, 152, 160, 176, 184, 190, 209, 220, 230, 242, 253, 304, 320, 352, 368, 380, 418, 437, 440, 460, 484, 506, 605, 608, 704, 736, 760, 836, 874, 880, 920, 968, 1012, 1045, 1210, 1216, 1265, 1472, 1520, 1672, 1748, 1760, 1840, 1936, 2024, 2090, 2185, 2299, 2420, 2530, 2783, 3040, 3344, 3496, 3520, 3680, 3872, 4048, 4180, 4370, 4598, 4807, 4840, 5060, 5566, 6080, 6688, 6992, 7360, 7744, 8096, 8360, 8740, 9196, 9614, 9680, 10120, 11132, 11495, 13376, 13915, 13984, 16192, 16720, 17480, 18392, 19228, 19360, 20240, 22264, 22990, 24035, 27830, 27968, 33440, 34960, 36784, 38456, 38720, 40480, 44528, 45980, 48070, 52877, 55660, 66880, 69920, 73568, 76912, 80960, 89056, 91960, 96140, 105754, 111320, 139840, 147136, 153824, 178112, 183920, 192280, 211508, 222640, 264385, 307648, 367840, 384560, 423016, 445280, 528770, 735680, 769120, 846032, 890560, 1057540, 1538240, 1692064, 2115080, 3384128, 4230160, 8460320, 16920640]

約数ペア:

[(1, 16920640), (2, 8460320), (4, 4230160), (5, 3384128), (8, 2115080), (10, 1692064), (11, 1538240), (16, 1057540), (19, 890560), (20, 846032), (22, 769120), (23, 735680), (32, 528770), (38, 445280), (40, 423016), (44, 384560), (46, 367840), (55, 307648), (64, 264385), (76, 222640), (80, 211508), (88, 192280), (92, 183920), (95, 178112), (110, 153824), (115, 147136), (121, 139840), (152, 111320), (160, 105754), (176, 96140), (184, 91960), (190, 89056), (209, 80960), (220, 76912), (230, 73568), (242, 69920), (253, 66880), (304, 55660), (320, 52877), (352, 48070), (368, 45980), (380, 44528), (418, 40480), (437, 38720), (440, 38456), (460, 36784), (484, 34960), (506, 33440), (605, 27968), (608, 27830), (704, 24035), (736, 22990), (760, 22264), (836, 20240), (874, 19360), (880, 19228), (920, 18392), (968, 17480), (1012, 16720), (1045, 16192), (1210, 13984), (1216, 13915), (1265, 13376), (1472, 11495), (1520, 11132), (1672, 10120), (1748, 9680), (1760, 9614), (1840, 9196), (1936, 8740), (2024, 8360), (2090, 8096), (2185, 7744), (2299, 7360), (2420, 6992), (2530, 6688), (2783, 6080), (3040, 5566), (3344, 5060), (3496, 4840), (3520, 4807), (3680, 4598), (3872, 4370), (4048, 4180)]