251493760

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{769}}^1$

素因数の和:868

約数の個数: 128

約数和(自身を含む): 697435200

約数和(自身を除く): 445941440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 73, 80, 112, 128, 140, 146, 160, 224, 280, 292, 320, 365, 448, 511, 560, 584, 640, 730, 769, 896, 1022, 1120, 1168, 1460, 1538, 2044, 2240, 2336, 2555, 2920, 3076, 3845, 4088, 4480, 4672, 5110, 5383, 5840, 6152, 7690, 8176, 9344, 10220, 10766, 11680, 12304, 15380, 16352, 20440, 21532, 23360, 24608, 26915, 30760, 32704, 40880, 43064, 46720, 49216, 53830, 56137, 61520, 65408, 81760, 86128, 98432, 107660, 112274, 123040, 163520, 172256, 215320, 224548, 246080, 280685, 327040, 344512, 392959, 430640, 449096, 492160, 561370, 689024, 785918, 861280, 898192, 1122740, 1571836, 1722560, 1796384, 1964795, 2245480, 3143672, 3445120, 3592768, 3929590, 4490960, 6287344, 7185536, 7859180, 8981920, 12574688, 15718360, 17963840, 25149376, 31436720, 35927680, 50298752, 62873440, 125746880, 251493760]

約数ペア:

[(1, 251493760), (2, 125746880), (4, 62873440), (5, 50298752), (7, 35927680), (8, 31436720), (10, 25149376), (14, 17963840), (16, 15718360), (20, 12574688), (28, 8981920), (32, 7859180), (35, 7185536), (40, 6287344), (56, 4490960), (64, 3929590), (70, 3592768), (73, 3445120), (80, 3143672), (112, 2245480), (128, 1964795), (140, 1796384), (146, 1722560), (160, 1571836), (224, 1122740), (280, 898192), (292, 861280), (320, 785918), (365, 689024), (448, 561370), (511, 492160), (560, 449096), (584, 430640), (640, 392959), (730, 344512), (769, 327040), (896, 280685), (1022, 246080), (1120, 224548), (1168, 215320), (1460, 172256), (1538, 163520), (2044, 123040), (2240, 112274), (2336, 107660), (2555, 98432), (2920, 86128), (3076, 81760), (3845, 65408), (4088, 61520), (4480, 56137), (4672, 53830), (5110, 49216), (5383, 46720), (5840, 43064), (6152, 40880), (7690, 32704), (8176, 30760), (9344, 26915), (10220, 24608), (10766, 23360), (11680, 21532), (12304, 20440), (15380, 16352)]