81263600

素因数分解:

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

素因数の和:136

約数の個数: 180

約数和(自身を含む): 226995888

約数和(自身を除く): 145732288

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 25, 40, 44, 46, 50, 55, 73, 80, 88, 92, 100, 110, 115, 121, 146, 176, 184, 200, 220, 230, 242, 253, 275, 292, 365, 368, 400, 440, 460, 484, 506, 550, 575, 584, 605, 730, 803, 880, 920, 968, 1012, 1100, 1150, 1168, 1210, 1265, 1460, 1606, 1679, 1825, 1840, 1936, 2024, 2200, 2300, 2420, 2530, 2783, 2920, 3025, 3212, 3358, 3650, 4015, 4048, 4400, 4600, 4840, 5060, 5566, 5840, 6050, 6325, 6424, 6716, 7300, 8030, 8395, 8833, 9200, 9680, 10120, 11132, 12100, 12650, 12848, 13432, 13915, 14600, 16060, 16790, 17666, 18469, 20075, 20240, 22264, 24200, 25300, 26864, 27830, 29200, 32120, 33580, 35332, 36938, 40150, 41975, 44165, 44528, 48400, 50600, 55660, 64240, 67160, 69575, 70664, 73876, 80300, 83950, 88330, 92345, 101200, 111320, 134320, 139150, 141328, 147752, 160600, 167900, 176660, 184690, 203159, 220825, 222640, 278300, 295504, 321200, 335800, 353320, 369380, 406318, 441650, 461725, 556600, 671600, 706640, 738760, 812636, 883300, 923450, 1015795, 1113200, 1477520, 1625272, 1766600, 1846900, 2031590, 3250544, 3533200, 3693800, 4063180, 5078975, 7387600, 8126360, 10157950, 16252720, 20315900, 40631800, 81263600]

約数ペア:

[(1, 81263600), (2, 40631800), (4, 20315900), (5, 16252720), (8, 10157950), (10, 8126360), (11, 7387600), (16, 5078975), (20, 4063180), (22, 3693800), (23, 3533200), (25, 3250544), (40, 2031590), (44, 1846900), (46, 1766600), (50, 1625272), (55, 1477520), (73, 1113200), (80, 1015795), (88, 923450), (92, 883300), (100, 812636), (110, 738760), (115, 706640), (121, 671600), (146, 556600), (176, 461725), (184, 441650), (200, 406318), (220, 369380), (230, 353320), (242, 335800), (253, 321200), (275, 295504), (292, 278300), (365, 222640), (368, 220825), (400, 203159), (440, 184690), (460, 176660), (484, 167900), (506, 160600), (550, 147752), (575, 141328), (584, 139150), (605, 134320), (730, 111320), (803, 101200), (880, 92345), (920, 88330), (968, 83950), (1012, 80300), (1100, 73876), (1150, 70664), (1168, 69575), (1210, 67160), (1265, 64240), (1460, 55660), (1606, 50600), (1679, 48400), (1825, 44528), (1840, 44165), (1936, 41975), (2024, 40150), (2200, 36938), (2300, 35332), (2420, 33580), (2530, 32120), (2783, 29200), (2920, 27830), (3025, 26864), (3212, 25300), (3358, 24200), (3650, 22264), (4015, 20240), (4048, 20075), (4400, 18469), (4600, 17666), (4840, 16790), (5060, 16060), (5566, 14600), (5840, 13915), (6050, 13432), (6325, 12848), (6424, 12650), (6716, 12100), (7300, 11132), (8030, 10120), (8395, 9680), (8833, 9200)]