647439840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{5417}}^1$

素因数の和:5521

約数の個数: 144

約数和(自身を含む): 2236420368

約数和(自身を除く): 1588980528

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 83, 90, 96, 120, 144, 160, 166, 180, 240, 249, 288, 332, 360, 415, 480, 498, 664, 720, 747, 830, 996, 1245, 1328, 1440, 1494, 1660, 1992, 2490, 2656, 2988, 3320, 3735, 3984, 4980, 5417, 5976, 6640, 7470, 7968, 9960, 10834, 11952, 13280, 14940, 16251, 19920, 21668, 23904, 27085, 29880, 32502, 39840, 43336, 48753, 54170, 59760, 65004, 81255, 86672, 97506, 108340, 119520, 130008, 162510, 173344, 195012, 216680, 243765, 260016, 325020, 390024, 433360, 449611, 487530, 520032, 650040, 780048, 866720, 899222, 975060, 1300080, 1348833, 1560096, 1798444, 1950120, 2248055, 2600160, 2697666, 3596888, 3900240, 4046499, 4496110, 5395332, 6744165, 7193776, 7800480, 8092998, 8992220, 10790664, 13488330, 14387552, 16185996, 17984440, 20232495, 21581328, 26976660, 32371992, 35968880, 40464990, 43162656, 53953320, 64743984, 71937760, 80929980, 107906640, 129487968, 161859960, 215813280, 323719920, 647439840]

約数ペア:

[(1, 647439840), (2, 323719920), (3, 215813280), (4, 161859960), (5, 129487968), (6, 107906640), (8, 80929980), (9, 71937760), (10, 64743984), (12, 53953320), (15, 43162656), (16, 40464990), (18, 35968880), (20, 32371992), (24, 26976660), (30, 21581328), (32, 20232495), (36, 17984440), (40, 16185996), (45, 14387552), (48, 13488330), (60, 10790664), (72, 8992220), (80, 8092998), (83, 7800480), (90, 7193776), (96, 6744165), (120, 5395332), (144, 4496110), (160, 4046499), (166, 3900240), (180, 3596888), (240, 2697666), (249, 2600160), (288, 2248055), (332, 1950120), (360, 1798444), (415, 1560096), (480, 1348833), (498, 1300080), (664, 975060), (720, 899222), (747, 866720), (830, 780048), (996, 650040), (1245, 520032), (1328, 487530), (1440, 449611), (1494, 433360), (1660, 390024), (1992, 325020), (2490, 260016), (2656, 243765), (2988, 216680), (3320, 195012), (3735, 173344), (3984, 162510), (4980, 130008), (5417, 119520), (5976, 108340), (6640, 97506), (7470, 86672), (7968, 81255), (9960, 65004), (10834, 59760), (11952, 54170), (13280, 48753), (14940, 43336), (16251, 39840), (19920, 32502), (21668, 29880), (23904, 27085)]