71254920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2347}}^1$

素因数の和:2395

約数の個数: 128

約数和(自身を含む): 243440640

約数和(自身を除く): 172185720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 23, 24, 30, 33, 40, 44, 46, 55, 60, 66, 69, 88, 92, 110, 115, 120, 132, 138, 165, 184, 220, 230, 253, 264, 276, 330, 345, 440, 460, 506, 552, 660, 690, 759, 920, 1012, 1265, 1320, 1380, 1518, 2024, 2347, 2530, 2760, 3036, 3795, 4694, 5060, 6072, 7041, 7590, 9388, 10120, 11735, 14082, 15180, 18776, 23470, 25817, 28164, 30360, 35205, 46940, 51634, 53981, 56328, 70410, 77451, 93880, 103268, 107962, 129085, 140820, 154902, 161943, 206536, 215924, 258170, 269905, 281640, 309804, 323886, 387255, 431848, 516340, 539810, 593791, 619608, 647772, 774510, 809715, 1032680, 1079620, 1187582, 1295544, 1549020, 1619430, 1781373, 2159240, 2375164, 2968955, 3098040, 3238860, 3562746, 4750328, 5937910, 6477720, 7125492, 8906865, 11875820, 14250984, 17813730, 23751640, 35627460, 71254920]

約数ペア:

[(1, 71254920), (2, 35627460), (3, 23751640), (4, 17813730), (5, 14250984), (6, 11875820), (8, 8906865), (10, 7125492), (11, 6477720), (12, 5937910), (15, 4750328), (20, 3562746), (22, 3238860), (23, 3098040), (24, 2968955), (30, 2375164), (33, 2159240), (40, 1781373), (44, 1619430), (46, 1549020), (55, 1295544), (60, 1187582), (66, 1079620), (69, 1032680), (88, 809715), (92, 774510), (110, 647772), (115, 619608), (120, 593791), (132, 539810), (138, 516340), (165, 431848), (184, 387255), (220, 323886), (230, 309804), (253, 281640), (264, 269905), (276, 258170), (330, 215924), (345, 206536), (440, 161943), (460, 154902), (506, 140820), (552, 129085), (660, 107962), (690, 103268), (759, 93880), (920, 77451), (1012, 70410), (1265, 56328), (1320, 53981), (1380, 51634), (1518, 46940), (2024, 35205), (2347, 30360), (2530, 28164), (2760, 25817), (3036, 23470), (3795, 18776), (4694, 15180), (5060, 14082), (6072, 11735), (7041, 10120), (7590, 9388)]