279125680

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{331}}^1$

素因数の和:554

約数の個数: 80

約数和(自身を含む): 663957504

約数和(自身を除く): 384831824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 127, 166, 254, 331, 332, 415, 508, 635, 662, 664, 830, 1016, 1270, 1324, 1328, 1655, 1660, 2032, 2540, 2648, 3310, 3320, 5080, 5296, 6620, 6640, 10160, 10541, 13240, 21082, 26480, 27473, 42037, 42164, 52705, 54946, 84074, 84328, 105410, 109892, 137365, 168148, 168656, 210185, 210820, 219784, 274730, 336296, 420370, 421640, 439568, 549460, 672592, 840740, 843280, 1098920, 1681480, 2197840, 3362960, 3489071, 6978142, 13956284, 17445355, 27912568, 34890710, 55825136, 69781420, 139562840, 279125680]

約数ペア:

[(1, 279125680), (2, 139562840), (4, 69781420), (5, 55825136), (8, 34890710), (10, 27912568), (16, 17445355), (20, 13956284), (40, 6978142), (80, 3489071), (83, 3362960), (127, 2197840), (166, 1681480), (254, 1098920), (331, 843280), (332, 840740), (415, 672592), (508, 549460), (635, 439568), (662, 421640), (664, 420370), (830, 336296), (1016, 274730), (1270, 219784), (1324, 210820), (1328, 210185), (1655, 168656), (1660, 168148), (2032, 137365), (2540, 109892), (2648, 105410), (3310, 84328), (3320, 84074), (5080, 54946), (5296, 52705), (6620, 42164), (6640, 42037), (10160, 27473), (10541, 26480), (13240, 21082)]