156701680

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:434

約数の個数: 80

約数和(自身を含む): 374467104

約数和(自身を除く): 217765424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 163, 197, 244, 305, 326, 394, 488, 610, 652, 788, 815, 976, 985, 1220, 1304, 1576, 1630, 1970, 2440, 2608, 3152, 3260, 3940, 4880, 6520, 7880, 9943, 12017, 13040, 15760, 19886, 24034, 32111, 39772, 48068, 49715, 60085, 64222, 79544, 96136, 99430, 120170, 128444, 159088, 160555, 192272, 198860, 240340, 256888, 321110, 397720, 480680, 513776, 642220, 795440, 961360, 1284440, 1958771, 2568880, 3917542, 7835084, 9793855, 15670168, 19587710, 31340336, 39175420, 78350840, 156701680]

約数ペア:

[(1, 156701680), (2, 78350840), (4, 39175420), (5, 31340336), (8, 19587710), (10, 15670168), (16, 9793855), (20, 7835084), (40, 3917542), (61, 2568880), (80, 1958771), (122, 1284440), (163, 961360), (197, 795440), (244, 642220), (305, 513776), (326, 480680), (394, 397720), (488, 321110), (610, 256888), (652, 240340), (788, 198860), (815, 192272), (976, 160555), (985, 159088), (1220, 128444), (1304, 120170), (1576, 99430), (1630, 96136), (1970, 79544), (2440, 64222), (2608, 60085), (3152, 49715), (3260, 48068), (3940, 39772), (4880, 32111), (6520, 24034), (7880, 19886), (9943, 15760), (12017, 13040)]