690430720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{307}}^1$

素因数の和:586

約数の個数: 144

約数和(自身を含む): 1903765248

約数和(自身を除く): 1213334528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 251, 256, 280, 307, 320, 448, 502, 560, 614, 640, 896, 1004, 1120, 1228, 1255, 1280, 1535, 1757, 1792, 2008, 2149, 2240, 2456, 2510, 3070, 3514, 4016, 4298, 4480, 4912, 5020, 6140, 7028, 8032, 8596, 8785, 8960, 9824, 10040, 10745, 12280, 14056, 16064, 17192, 17570, 19648, 20080, 21490, 24560, 28112, 32128, 34384, 35140, 39296, 40160, 42980, 49120, 56224, 64256, 68768, 70280, 77057, 78592, 80320, 85960, 98240, 112448, 137536, 140560, 154114, 160640, 171920, 196480, 224896, 275072, 281120, 308228, 321280, 343840, 385285, 392960, 449792, 539399, 550144, 562240, 616456, 687680, 770570, 1078798, 1124480, 1232912, 1375360, 1541140, 2157596, 2248960, 2465824, 2696995, 2750720, 3082280, 4315192, 4931648, 5393990, 6164560, 8630384, 9863296, 10787980, 12329120, 17260768, 19726592, 21575960, 24658240, 34521536, 43151920, 49316480, 69043072, 86303840, 98632960, 138086144, 172607680, 345215360, 690430720]

約数ペア:

[(1, 690430720), (2, 345215360), (4, 172607680), (5, 138086144), (7, 98632960), (8, 86303840), (10, 69043072), (14, 49316480), (16, 43151920), (20, 34521536), (28, 24658240), (32, 21575960), (35, 19726592), (40, 17260768), (56, 12329120), (64, 10787980), (70, 9863296), (80, 8630384), (112, 6164560), (128, 5393990), (140, 4931648), (160, 4315192), (224, 3082280), (251, 2750720), (256, 2696995), (280, 2465824), (307, 2248960), (320, 2157596), (448, 1541140), (502, 1375360), (560, 1232912), (614, 1124480), (640, 1078798), (896, 770570), (1004, 687680), (1120, 616456), (1228, 562240), (1255, 550144), (1280, 539399), (1535, 449792), (1757, 392960), (1792, 385285), (2008, 343840), (2149, 321280), (2240, 308228), (2456, 281120), (2510, 275072), (3070, 224896), (3514, 196480), (4016, 171920), (4298, 160640), (4480, 154114), (4912, 140560), (5020, 137536), (6140, 112448), (7028, 98240), (8032, 85960), (8596, 80320), (8785, 78592), (8960, 77057), (9824, 70280), (10040, 68768), (10745, 64256), (12280, 56224), (14056, 49120), (16064, 42980), (17192, 40160), (17570, 39296), (19648, 35140), (20080, 34384), (21490, 32128), (24560, 28112)]