218247680

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1$

素因数の和:690

約数の個数: 160

約数和(自身を含む): 630495360

約数和(自身を除く): 412247680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 256, 266, 280, 304, 320, 380, 448, 512, 532, 560, 608, 640, 641, 665, 760, 896, 1064, 1120, 1216, 1280, 1282, 1330, 1520, 1792, 2128, 2240, 2432, 2560, 2564, 2660, 3040, 3205, 3584, 4256, 4480, 4487, 4864, 5128, 5320, 6080, 6410, 8512, 8960, 8974, 9728, 10256, 10640, 12160, 12179, 12820, 17024, 17920, 17948, 20512, 21280, 22435, 24320, 24358, 25640, 34048, 35896, 41024, 42560, 44870, 48640, 48716, 51280, 60895, 68096, 71792, 82048, 85120, 85253, 89740, 97432, 102560, 121790, 143584, 164096, 170240, 170506, 179480, 194864, 205120, 243580, 287168, 328192, 340480, 341012, 358960, 389728, 410240, 426265, 487160, 574336, 682024, 717920, 779456, 820480, 852530, 974320, 1148672, 1364048, 1435840, 1558912, 1640960, 1705060, 1948640, 2297344, 2728096, 2871680, 3117824, 3410120, 3897280, 5456192, 5743360, 6235648, 6820240, 7794560, 10912384, 11486720, 13640480, 15589120, 21824768, 27280960, 31178240, 43649536, 54561920, 109123840, 218247680]

約数ペア:

[(1, 218247680), (2, 109123840), (4, 54561920), (5, 43649536), (7, 31178240), (8, 27280960), (10, 21824768), (14, 15589120), (16, 13640480), (19, 11486720), (20, 10912384), (28, 7794560), (32, 6820240), (35, 6235648), (38, 5743360), (40, 5456192), (56, 3897280), (64, 3410120), (70, 3117824), (76, 2871680), (80, 2728096), (95, 2297344), (112, 1948640), (128, 1705060), (133, 1640960), (140, 1558912), (152, 1435840), (160, 1364048), (190, 1148672), (224, 974320), (256, 852530), (266, 820480), (280, 779456), (304, 717920), (320, 682024), (380, 574336), (448, 487160), (512, 426265), (532, 410240), (560, 389728), (608, 358960), (640, 341012), (641, 340480), (665, 328192), (760, 287168), (896, 243580), (1064, 205120), (1120, 194864), (1216, 179480), (1280, 170506), (1282, 170240), (1330, 164096), (1520, 143584), (1792, 121790), (2128, 102560), (2240, 97432), (2432, 89740), (2560, 85253), (2564, 85120), (2660, 82048), (3040, 71792), (3205, 68096), (3584, 60895), (4256, 51280), (4480, 48716), (4487, 48640), (4864, 44870), (5128, 42560), (5320, 41024), (6080, 35896), (6410, 34048), (8512, 25640), (8960, 24358), (8974, 24320), (9728, 22435), (10256, 21280), (10640, 20512), (12160, 17948), (12179, 17920), (12820, 17024)]