19971871080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{106619}}^1$

素因数の和:106863

約数の個数: 128

約数和(自身を含む): 68782694400

約数和(自身を除く): 48810823320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 223, 280, 420, 446, 669, 840, 892, 1115, 1338, 1561, 1784, 2230, 2676, 3122, 3345, 4460, 4683, 5352, 6244, 6690, 7805, 8920, 9366, 12488, 13380, 15610, 18732, 23415, 26760, 31220, 37464, 46830, 62440, 93660, 106619, 187320, 213238, 319857, 426476, 533095, 639714, 746333, 852952, 1066190, 1279428, 1492666, 1599285, 2132380, 2238999, 2558856, 2985332, 3198570, 3731665, 4264760, 4477998, 5970664, 6397140, 7463330, 8955996, 11194995, 12794280, 14926660, 17911992, 22389990, 23776037, 29853320, 44779980, 47552074, 71328111, 89559960, 95104148, 118880185, 142656222, 166432259, 190208296, 237760370, 285312444, 332864518, 356640555, 475520740, 499296777, 570624888, 665729036, 713281110, 832161295, 951041480, 998593554, 1331458072, 1426562220, 1664322590, 1997187108, 2496483885, 2853124440, 3328645180, 3994374216, 4992967770, 6657290360, 9985935540, 19971871080]

約数ペア:

[(1, 19971871080), (2, 9985935540), (3, 6657290360), (4, 4992967770), (5, 3994374216), (6, 3328645180), (7, 2853124440), (8, 2496483885), (10, 1997187108), (12, 1664322590), (14, 1426562220), (15, 1331458072), (20, 998593554), (21, 951041480), (24, 832161295), (28, 713281110), (30, 665729036), (35, 570624888), (40, 499296777), (42, 475520740), (56, 356640555), (60, 332864518), (70, 285312444), (84, 237760370), (105, 190208296), (120, 166432259), (140, 142656222), (168, 118880185), (210, 95104148), (223, 89559960), (280, 71328111), (420, 47552074), (446, 44779980), (669, 29853320), (840, 23776037), (892, 22389990), (1115, 17911992), (1338, 14926660), (1561, 12794280), (1784, 11194995), (2230, 8955996), (2676, 7463330), (3122, 6397140), (3345, 5970664), (4460, 4477998), (4683, 4264760), (5352, 3731665), (6244, 3198570), (6690, 2985332), (7805, 2558856), (8920, 2238999), (9366, 2132380), (12488, 1599285), (13380, 1492666), (15610, 1279428), (18732, 1066190), (23415, 852952), (26760, 746333), (31220, 639714), (37464, 533095), (46830, 426476), (62440, 319857), (93660, 213238), (106619, 187320)]