79442460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:688

約数の個数: 144

約数和(自身を含む): 259983360

約数和(自身を除く): 180540900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 31, 36, 45, 46, 60, 62, 69, 90, 92, 93, 115, 124, 138, 155, 180, 186, 207, 230, 276, 279, 310, 345, 372, 414, 460, 465, 558, 619, 620, 690, 713, 828, 930, 1035, 1116, 1238, 1380, 1395, 1426, 1857, 1860, 2070, 2139, 2476, 2790, 2852, 3095, 3565, 3714, 4140, 4278, 5571, 5580, 6190, 6417, 7130, 7428, 8556, 9285, 10695, 11142, 12380, 12834, 14237, 14260, 18570, 19189, 21390, 22284, 25668, 27855, 28474, 32085, 37140, 38378, 42711, 42780, 55710, 56948, 57567, 64170, 71185, 76756, 85422, 95945, 111420, 115134, 128133, 128340, 142370, 170844, 172701, 191890, 213555, 230268, 256266, 284740, 287835, 345402, 383780, 427110, 441347, 512532, 575670, 640665, 690804, 854220, 863505, 882694, 1151340, 1281330, 1324041, 1727010, 1765388, 2206735, 2562660, 2648082, 3454020, 3972123, 4413470, 5296164, 6620205, 7944246, 8826940, 13240410, 15888492, 19860615, 26480820, 39721230, 79442460]

約数ペア:

[(1, 79442460), (2, 39721230), (3, 26480820), (4, 19860615), (5, 15888492), (6, 13240410), (9, 8826940), (10, 7944246), (12, 6620205), (15, 5296164), (18, 4413470), (20, 3972123), (23, 3454020), (30, 2648082), (31, 2562660), (36, 2206735), (45, 1765388), (46, 1727010), (60, 1324041), (62, 1281330), (69, 1151340), (90, 882694), (92, 863505), (93, 854220), (115, 690804), (124, 640665), (138, 575670), (155, 512532), (180, 441347), (186, 427110), (207, 383780), (230, 345402), (276, 287835), (279, 284740), (310, 256266), (345, 230268), (372, 213555), (414, 191890), (460, 172701), (465, 170844), (558, 142370), (619, 128340), (620, 128133), (690, 115134), (713, 111420), (828, 95945), (930, 85422), (1035, 76756), (1116, 71185), (1238, 64170), (1380, 57567), (1395, 56948), (1426, 55710), (1857, 42780), (1860, 42711), (2070, 38378), (2139, 37140), (2476, 32085), (2790, 28474), (2852, 27855), (3095, 25668), (3565, 22284), (3714, 21390), (4140, 19189), (4278, 18570), (5571, 14260), (5580, 14237), (6190, 12834), (6417, 12380), (7130, 11142), (7428, 10695), (8556, 9285)]