312078480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{431}}^2$

素因数の和:885

約数の個数: 120

約数和(自身を含む): 1108220736

約数和(自身を除く): 796142256

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 431, 560, 840, 862, 1293, 1680, 1724, 2155, 2586, 3017, 3448, 4310, 5172, 6034, 6465, 6896, 8620, 9051, 10344, 12068, 12930, 15085, 17240, 18102, 20688, 24136, 25860, 30170, 34480, 36204, 45255, 48272, 51720, 60340, 72408, 90510, 103440, 120680, 144816, 181020, 185761, 241360, 362040, 371522, 557283, 724080, 743044, 928805, 1114566, 1300327, 1486088, 1857610, 2229132, 2600654, 2786415, 2972176, 3715220, 3900981, 4458264, 5201308, 5572830, 6501635, 7430440, 7801962, 8916528, 10402616, 11145660, 13003270, 14860880, 15603924, 19504905, 20805232, 22291320, 26006540, 31207848, 39009810, 44582640, 52013080, 62415696, 78019620, 104026160, 156039240, 312078480]

約数ペア:

[(1, 312078480), (2, 156039240), (3, 104026160), (4, 78019620), (5, 62415696), (6, 52013080), (7, 44582640), (8, 39009810), (10, 31207848), (12, 26006540), (14, 22291320), (15, 20805232), (16, 19504905), (20, 15603924), (21, 14860880), (24, 13003270), (28, 11145660), (30, 10402616), (35, 8916528), (40, 7801962), (42, 7430440), (48, 6501635), (56, 5572830), (60, 5201308), (70, 4458264), (80, 3900981), (84, 3715220), (105, 2972176), (112, 2786415), (120, 2600654), (140, 2229132), (168, 1857610), (210, 1486088), (240, 1300327), (280, 1114566), (336, 928805), (420, 743044), (431, 724080), (560, 557283), (840, 371522), (862, 362040), (1293, 241360), (1680, 185761), (1724, 181020), (2155, 144816), (2586, 120680), (3017, 103440), (3448, 90510), (4310, 72408), (5172, 60340), (6034, 51720), (6465, 48272), (6896, 45255), (8620, 36204), (9051, 34480), (10344, 30170), (12068, 25860), (12930, 24136), (15085, 20688), (17240, 18102)]