48991280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{163}}^1$

素因数の和:223

約数の個数: 120

約数和(自身を含む): 131106192

約数和(自身を除く): 82114912

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 163, 170, 208, 221, 260, 272, 289, 326, 340, 442, 520, 578, 652, 680, 815, 884, 1040, 1105, 1156, 1304, 1360, 1445, 1630, 1768, 2119, 2210, 2312, 2608, 2771, 2890, 3260, 3536, 3757, 4238, 4420, 4624, 5542, 5780, 6520, 7514, 8476, 8840, 10595, 11084, 11560, 13040, 13855, 15028, 16952, 17680, 18785, 21190, 22168, 23120, 27710, 30056, 33904, 36023, 37570, 42380, 44336, 47107, 55420, 60112, 72046, 75140, 84760, 94214, 110840, 144092, 150280, 169520, 180115, 188428, 221680, 235535, 288184, 300560, 360230, 376856, 471070, 576368, 612391, 720460, 753712, 942140, 1224782, 1440920, 1884280, 2449564, 2881840, 3061955, 3768560, 4899128, 6123910, 9798256, 12247820, 24495640, 48991280]

約数ペア:

[(1, 48991280), (2, 24495640), (4, 12247820), (5, 9798256), (8, 6123910), (10, 4899128), (13, 3768560), (16, 3061955), (17, 2881840), (20, 2449564), (26, 1884280), (34, 1440920), (40, 1224782), (52, 942140), (65, 753712), (68, 720460), (80, 612391), (85, 576368), (104, 471070), (130, 376856), (136, 360230), (163, 300560), (170, 288184), (208, 235535), (221, 221680), (260, 188428), (272, 180115), (289, 169520), (326, 150280), (340, 144092), (442, 110840), (520, 94214), (578, 84760), (652, 75140), (680, 72046), (815, 60112), (884, 55420), (1040, 47107), (1105, 44336), (1156, 42380), (1304, 37570), (1360, 36023), (1445, 33904), (1630, 30056), (1768, 27710), (2119, 23120), (2210, 22168), (2312, 21190), (2608, 18785), (2771, 17680), (2890, 16952), (3260, 15028), (3536, 13855), (3757, 13040), (4238, 11560), (4420, 11084), (4624, 10595), (5542, 8840), (5780, 8476), (6520, 7514)]