256789920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{6011}}^1$

素因数の和:6118

約数の個数: 96

約数和(自身を含む): 818112960

約数和(自身を除く): 561323040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 89, 96, 120, 160, 178, 240, 267, 356, 445, 480, 534, 712, 890, 1068, 1335, 1424, 1780, 2136, 2670, 2848, 3560, 4272, 5340, 6011, 7120, 8544, 10680, 12022, 14240, 18033, 21360, 24044, 30055, 36066, 42720, 48088, 60110, 72132, 90165, 96176, 120220, 144264, 180330, 192352, 240440, 288528, 360660, 480880, 534979, 577056, 721320, 961760, 1069958, 1442640, 1604937, 2139916, 2674895, 2885280, 3209874, 4279832, 5349790, 6419748, 8024685, 8559664, 10699580, 12839496, 16049370, 17119328, 21399160, 25678992, 32098740, 42798320, 51357984, 64197480, 85596640, 128394960, 256789920]

約数ペア:

[(1, 256789920), (2, 128394960), (3, 85596640), (4, 64197480), (5, 51357984), (6, 42798320), (8, 32098740), (10, 25678992), (12, 21399160), (15, 17119328), (16, 16049370), (20, 12839496), (24, 10699580), (30, 8559664), (32, 8024685), (40, 6419748), (48, 5349790), (60, 4279832), (80, 3209874), (89, 2885280), (96, 2674895), (120, 2139916), (160, 1604937), (178, 1442640), (240, 1069958), (267, 961760), (356, 721320), (445, 577056), (480, 534979), (534, 480880), (712, 360660), (890, 288528), (1068, 240440), (1335, 192352), (1424, 180330), (1780, 144264), (2136, 120220), (2670, 96176), (2848, 90165), (3560, 72132), (4272, 60110), (5340, 48088), (6011, 42720), (7120, 36066), (8544, 30055), (10680, 24044), (12022, 21360), (14240, 18033)]