628671680

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21589}}^1$

素因数の和:21626

約数の個数: 112

約数和(自身を含む): 1842576960

約数和(自身を除く): 1213905280

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, 14560, 21589, 29120, 43178, 86356, 107945, 151123, 172712, 215890, 280657, 302246, 345424, 431780, 561314, 604492, 690848, 755615, 863560, 1122628, 1208984, 1381696, 1403285, 1511230, 1727120, 1964599, 2245256, 2417968, 2806570, 3022460, 3454240, 3929198, 4490512, 4835936, 5613140, 6044920, 6908480, 7858396, 8981024, 9671872, 9822995, 11226280, 12089840, 15716792, 17962048, 19645990, 22452560, 24179680, 31433584, 39291980, 44905120, 48359360, 62867168, 78583960, 89810240, 125734336, 157167920, 314335840, 628671680]

約数ペア:

[(1, 628671680), (2, 314335840), (4, 157167920), (5, 125734336), (7, 89810240), (8, 78583960), (10, 62867168), (13, 48359360), (14, 44905120), (16, 39291980), (20, 31433584), (26, 24179680), (28, 22452560), (32, 19645990), (35, 17962048), (40, 15716792), (52, 12089840), (56, 11226280), (64, 9822995), (65, 9671872), (70, 8981024), (80, 7858396), (91, 6908480), (104, 6044920), (112, 5613140), (130, 4835936), (140, 4490512), (160, 3929198), (182, 3454240), (208, 3022460), (224, 2806570), (260, 2417968), (280, 2245256), (320, 1964599), (364, 1727120), (416, 1511230), (448, 1403285), (455, 1381696), (520, 1208984), (560, 1122628), (728, 863560), (832, 755615), (910, 690848), (1040, 604492), (1120, 561314), (1456, 431780), (1820, 345424), (2080, 302246), (2240, 280657), (2912, 215890), (3640, 172712), (4160, 151123), (5824, 107945), (7280, 86356), (14560, 43178), (21589, 29120)]