199195440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{601}}^1\times {\mathrm{1381}}^1$

素因数の和:1998

約数の個数: 80

約数和(自身を含む): 618981216

約数和(自身を除く): 419785776

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 601, 1202, 1381, 1803, 2404, 2762, 3005, 3606, 4143, 4808, 5524, 6010, 6905, 7212, 8286, 9015, 9616, 11048, 12020, 13810, 14424, 16572, 18030, 20715, 22096, 24040, 27620, 28848, 33144, 36060, 41430, 48080, 55240, 66288, 72120, 82860, 110480, 144240, 165720, 331440, 829981, 1659962, 2489943, 3319924, 4149905, 4979886, 6639848, 8299810, 9959772, 12449715, 13279696, 16599620, 19919544, 24899430, 33199240, 39839088, 49798860, 66398480, 99597720, 199195440]

約数ペア:

[(1, 199195440), (2, 99597720), (3, 66398480), (4, 49798860), (5, 39839088), (6, 33199240), (8, 24899430), (10, 19919544), (12, 16599620), (15, 13279696), (16, 12449715), (20, 9959772), (24, 8299810), (30, 6639848), (40, 4979886), (48, 4149905), (60, 3319924), (80, 2489943), (120, 1659962), (240, 829981), (601, 331440), (1202, 165720), (1381, 144240), (1803, 110480), (2404, 82860), (2762, 72120), (3005, 66288), (3606, 55240), (4143, 48080), (4808, 41430), (5524, 36060), (6010, 33144), (6905, 28848), (7212, 27620), (8286, 24040), (9015, 22096), (9616, 20715), (11048, 18030), (12020, 16572), (13810, 14424)]