318385440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{221101}}^1$

素因数の和:221122

約数の個数: 72

約数和(自身を含む): 1086495228

約数和(自身を除く): 768109788

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 221101, 442202, 663303, 884404, 1105505, 1326606, 1768808, 1989909, 2211010, 2653212, 3316515, 3537616, 3979818, 4422020, 5306424, 6633030, 7075232, 7959636, 8844040, 9949545, 10612848, 13266060, 15919272, 17688080, 19899090, 21225696, 26532120, 31838544, 35376160, 39798180, 53064240, 63677088, 79596360, 106128480, 159192720, 318385440]

約数ペア:

[(1, 318385440), (2, 159192720), (3, 106128480), (4, 79596360), (5, 63677088), (6, 53064240), (8, 39798180), (9, 35376160), (10, 31838544), (12, 26532120), (15, 21225696), (16, 19899090), (18, 17688080), (20, 15919272), (24, 13266060), (30, 10612848), (32, 9949545), (36, 8844040), (40, 7959636), (45, 7075232), (48, 6633030), (60, 5306424), (72, 4422020), (80, 3979818), (90, 3537616), (96, 3316515), (120, 2653212), (144, 2211010), (160, 1989909), (180, 1768808), (240, 1326606), (288, 1105505), (360, 884404), (480, 663303), (720, 442202), (1440, 221101)]