251276480

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8629}}^1$

素因数の和:8666

約数の個数: 112

約数和(自身を含む): 736518720

約数和(自身を除く): 485242240

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 728, 832, 910, 1040, 1120, 1456, 1820, 2080, 2240, 2912, 3640, 4160, 5824, 7280, 8629, 14560, 17258, 29120, 34516, 43145, 60403, 69032, 86290, 112177, 120806, 138064, 172580, 224354, 241612, 276128, 302015, 345160, 448708, 483224, 552256, 560885, 604030, 690320, 785239, 897416, 966448, 1121770, 1208060, 1380640, 1570478, 1794832, 1932896, 2243540, 2416120, 2761280, 3140956, 3589664, 3865792, 3926195, 4487080, 4832240, 6281912, 7179328, 7852390, 8974160, 9664480, 12563824, 15704780, 17948320, 19328960, 25127648, 31409560, 35896640, 50255296, 62819120, 125638240, 251276480]

約数ペア:

[(1, 251276480), (2, 125638240), (4, 62819120), (5, 50255296), (7, 35896640), (8, 31409560), (10, 25127648), (13, 19328960), (14, 17948320), (16, 15704780), (20, 12563824), (26, 9664480), (28, 8974160), (32, 7852390), (35, 7179328), (40, 6281912), (52, 4832240), (56, 4487080), (64, 3926195), (65, 3865792), (70, 3589664), (80, 3140956), (91, 2761280), (104, 2416120), (112, 2243540), (130, 1932896), (140, 1794832), (160, 1570478), (182, 1380640), (208, 1208060), (224, 1121770), (260, 966448), (280, 897416), (320, 785239), (364, 690320), (416, 604030), (448, 560885), (455, 552256), (520, 483224), (560, 448708), (728, 345160), (832, 302015), (910, 276128), (1040, 241612), (1120, 224354), (1456, 172580), (1820, 138064), (2080, 120806), (2240, 112177), (2912, 86290), (3640, 69032), (4160, 60403), (5824, 43145), (7280, 34516), (8629, 29120), (14560, 17258)]