16252720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:131

約数の個数: 120

約数和(自身を含む): 43934688

約数和(自身を除く): 27681968

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 73, 80, 88, 92, 110, 115, 121, 146, 176, 184, 220, 230, 242, 253, 292, 365, 368, 440, 460, 484, 506, 584, 605, 730, 803, 880, 920, 968, 1012, 1168, 1210, 1265, 1460, 1606, 1679, 1840, 1936, 2024, 2420, 2530, 2783, 2920, 3212, 3358, 4015, 4048, 4840, 5060, 5566, 5840, 6424, 6716, 8030, 8395, 8833, 9680, 10120, 11132, 12848, 13432, 13915, 16060, 16790, 17666, 18469, 20240, 22264, 26864, 27830, 32120, 33580, 35332, 36938, 44165, 44528, 55660, 64240, 67160, 70664, 73876, 88330, 92345, 111320, 134320, 141328, 147752, 176660, 184690, 203159, 222640, 295504, 353320, 369380, 406318, 706640, 738760, 812636, 1015795, 1477520, 1625272, 2031590, 3250544, 4063180, 8126360, 16252720]

約数ペア:

[(1, 16252720), (2, 8126360), (4, 4063180), (5, 3250544), (8, 2031590), (10, 1625272), (11, 1477520), (16, 1015795), (20, 812636), (22, 738760), (23, 706640), (40, 406318), (44, 369380), (46, 353320), (55, 295504), (73, 222640), (80, 203159), (88, 184690), (92, 176660), (110, 147752), (115, 141328), (121, 134320), (146, 111320), (176, 92345), (184, 88330), (220, 73876), (230, 70664), (242, 67160), (253, 64240), (292, 55660), (365, 44528), (368, 44165), (440, 36938), (460, 35332), (484, 33580), (506, 32120), (584, 27830), (605, 26864), (730, 22264), (803, 20240), (880, 18469), (920, 17666), (968, 16790), (1012, 16060), (1168, 13915), (1210, 13432), (1265, 12848), (1460, 11132), (1606, 10120), (1679, 9680), (1840, 8833), (1936, 8395), (2024, 8030), (2420, 6716), (2530, 6424), (2783, 5840), (2920, 5566), (3212, 5060), (3358, 4840), (4015, 4048)]