156978917680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{487}}^1\times {\mathrm{5081}}^1$

素因数の和:5655

約数の個数: 160

約数和(自身を含む): 400393623168

約数和(自身を除く): 243414705488

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 61, 65, 80, 104, 122, 130, 208, 244, 260, 305, 487, 488, 520, 610, 793, 974, 976, 1040, 1220, 1586, 1948, 2435, 2440, 3172, 3896, 3965, 4870, 4880, 5081, 6331, 6344, 7792, 7930, 9740, 10162, 12662, 12688, 15860, 19480, 20324, 25324, 25405, 29707, 31655, 31720, 38960, 40648, 50648, 50810, 59414, 63310, 63440, 66053, 81296, 101296, 101620, 118828, 126620, 132106, 148535, 203240, 237656, 253240, 264212, 297070, 309941, 330265, 386191, 406480, 475312, 506480, 528424, 594140, 619882, 660530, 772382, 1056848, 1188280, 1239764, 1321060, 1544764, 1549705, 1930955, 2376560, 2474447, 2479528, 2642120, 3089528, 3099410, 3861910, 4029233, 4948894, 4959056, 5284240, 6179056, 6198820, 7723820, 8058466, 9897788, 12372235, 12397640, 15447640, 16116932, 19795576, 20146165, 24744470, 24795280, 30895280, 32167811, 32233864, 39591152, 40292330, 49488940, 64335622, 64467728, 80584660, 98977880, 128671244, 150941267, 160839055, 161169320, 197955760, 257342488, 301882534, 321678110, 322338640, 514684976, 603765068, 643356220, 754706335, 1207530136, 1286712440, 1509412670, 1962236471, 2415060272, 2573424880, 3018825340, 3924472942, 6037650680, 7848945884, 9811182355, 12075301360, 15697891768, 19622364710, 31395783536, 39244729420, 78489458840, 156978917680]

約数ペア:

[(1, 156978917680), (2, 78489458840), (4, 39244729420), (5, 31395783536), (8, 19622364710), (10, 15697891768), (13, 12075301360), (16, 9811182355), (20, 7848945884), (26, 6037650680), (40, 3924472942), (52, 3018825340), (61, 2573424880), (65, 2415060272), (80, 1962236471), (104, 1509412670), (122, 1286712440), (130, 1207530136), (208, 754706335), (244, 643356220), (260, 603765068), (305, 514684976), (487, 322338640), (488, 321678110), (520, 301882534), (610, 257342488), (793, 197955760), (974, 161169320), (976, 160839055), (1040, 150941267), (1220, 128671244), (1586, 98977880), (1948, 80584660), (2435, 64467728), (2440, 64335622), (3172, 49488940), (3896, 40292330), (3965, 39591152), (4870, 32233864), (4880, 32167811), (5081, 30895280), (6331, 24795280), (6344, 24744470), (7792, 20146165), (7930, 19795576), (9740, 16116932), (10162, 15447640), (12662, 12397640), (12688, 12372235), (15860, 9897788), (19480, 8058466), (20324, 7723820), (25324, 6198820), (25405, 6179056), (29707, 5284240), (31655, 4959056), (31720, 4948894), (38960, 4029233), (40648, 3861910), (50648, 3099410), (50810, 3089528), (59414, 2642120), (63310, 2479528), (63440, 2474447), (66053, 2376560), (81296, 1930955), (101296, 1549705), (101620, 1544764), (118828, 1321060), (126620, 1239764), (132106, 1188280), (148535, 1056848), (203240, 772382), (237656, 660530), (253240, 619882), (264212, 594140), (297070, 528424), (309941, 506480), (330265, 475312), (386191, 406480)]