78583960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21589}}^1$

素因数の和:21620

約数の個数: 64

約数和(自身を含む): 217627200

約数和(自身を除く): 139043240

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 21589, 43178, 86356, 107945, 151123, 172712, 215890, 280657, 302246, 431780, 561314, 604492, 755615, 863560, 1122628, 1208984, 1403285, 1511230, 1964599, 2245256, 2806570, 3022460, 3929198, 5613140, 6044920, 7858396, 9822995, 11226280, 15716792, 19645990, 39291980, 78583960]

約数ペア:

[(1, 78583960), (2, 39291980), (4, 19645990), (5, 15716792), (7, 11226280), (8, 9822995), (10, 7858396), (13, 6044920), (14, 5613140), (20, 3929198), (26, 3022460), (28, 2806570), (35, 2245256), (40, 1964599), (52, 1511230), (56, 1403285), (65, 1208984), (70, 1122628), (91, 863560), (104, 755615), (130, 604492), (140, 561314), (182, 431780), (260, 302246), (280, 280657), (364, 215890), (455, 172712), (520, 151123), (728, 107945), (910, 86356), (1820, 43178), (3640, 21589)]