215817280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:177

約数の個数: 224

約数和(自身を含む): 632033280

約数和(自身を除く): 416216000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 59, 64, 70, 71, 80, 92, 112, 115, 118, 140, 142, 160, 161, 184, 224, 230, 236, 280, 284, 295, 320, 322, 355, 368, 413, 448, 460, 472, 497, 560, 568, 590, 644, 710, 736, 805, 826, 920, 944, 994, 1120, 1136, 1180, 1288, 1357, 1420, 1472, 1610, 1633, 1652, 1840, 1888, 1988, 2065, 2240, 2272, 2360, 2485, 2576, 2714, 2840, 3220, 3266, 3304, 3680, 3776, 3976, 4130, 4189, 4544, 4720, 4970, 5152, 5428, 5680, 6440, 6532, 6608, 6785, 7360, 7952, 8165, 8260, 8378, 9440, 9499, 9940, 10304, 10856, 11360, 11431, 12880, 13064, 13216, 13570, 15904, 16330, 16520, 16756, 18880, 18998, 19880, 20945, 21712, 22720, 22862, 25760, 26128, 26432, 27140, 29323, 31808, 32660, 33040, 33512, 37996, 39760, 41890, 43424, 45724, 47495, 51520, 52256, 54280, 57155, 58646, 65320, 66080, 67024, 75992, 79520, 83780, 86848, 91448, 94990, 96347, 104512, 108560, 114310, 117292, 130640, 132160, 134048, 146615, 151984, 159040, 167560, 182896, 189980, 192694, 217120, 228620, 234584, 261280, 268096, 293230, 303968, 335120, 365792, 379960, 385388, 434240, 457240, 469168, 481735, 522560, 586460, 607936, 670240, 674429, 731584, 759920, 770776, 914480, 938336, 963470, 1172920, 1340480, 1348858, 1519840, 1541552, 1828960, 1876672, 1926940, 2345840, 2697716, 3039680, 3083104, 3372145, 3657920, 3853880, 4691680, 5395432, 6166208, 6744290, 7707760, 9383360, 10790864, 13488580, 15415520, 21581728, 26977160, 30831040, 43163456, 53954320, 107908640, 215817280]

約数ペア:

[(1, 215817280), (2, 107908640), (4, 53954320), (5, 43163456), (7, 30831040), (8, 26977160), (10, 21581728), (14, 15415520), (16, 13488580), (20, 10790864), (23, 9383360), (28, 7707760), (32, 6744290), (35, 6166208), (40, 5395432), (46, 4691680), (56, 3853880), (59, 3657920), (64, 3372145), (70, 3083104), (71, 3039680), (80, 2697716), (92, 2345840), (112, 1926940), (115, 1876672), (118, 1828960), (140, 1541552), (142, 1519840), (160, 1348858), (161, 1340480), (184, 1172920), (224, 963470), (230, 938336), (236, 914480), (280, 770776), (284, 759920), (295, 731584), (320, 674429), (322, 670240), (355, 607936), (368, 586460), (413, 522560), (448, 481735), (460, 469168), (472, 457240), (497, 434240), (560, 385388), (568, 379960), (590, 365792), (644, 335120), (710, 303968), (736, 293230), (805, 268096), (826, 261280), (920, 234584), (944, 228620), (994, 217120), (1120, 192694), (1136, 189980), (1180, 182896), (1288, 167560), (1357, 159040), (1420, 151984), (1472, 146615), (1610, 134048), (1633, 132160), (1652, 130640), (1840, 117292), (1888, 114310), (1988, 108560), (2065, 104512), (2240, 96347), (2272, 94990), (2360, 91448), (2485, 86848), (2576, 83780), (2714, 79520), (2840, 75992), (3220, 67024), (3266, 66080), (3304, 65320), (3680, 58646), (3776, 57155), (3976, 54280), (4130, 52256), (4189, 51520), (4544, 47495), (4720, 45724), (4970, 43424), (5152, 41890), (5428, 39760), (5680, 37996), (6440, 33512), (6532, 33040), (6608, 32660), (6785, 31808), (7360, 29323), (7952, 27140), (8165, 26432), (8260, 26128), (8378, 25760), (9440, 22862), (9499, 22720), (9940, 21712), (10304, 20945), (10856, 19880), (11360, 18998), (11431, 18880), (12880, 16756), (13064, 16520), (13216, 16330), (13570, 15904)]