64762640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{311}}^1$

素因数の和:480

約数の個数: 80

約数和(自身を含む): 160168320

約数和(自身を除く): 95405680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 137, 152, 190, 274, 304, 311, 380, 548, 622, 685, 760, 1096, 1244, 1370, 1520, 1555, 2192, 2488, 2603, 2740, 3110, 4976, 5206, 5480, 5909, 6220, 10412, 10960, 11818, 12440, 13015, 20824, 23636, 24880, 26030, 29545, 41648, 42607, 47272, 52060, 59090, 85214, 94544, 104120, 118180, 170428, 208240, 213035, 236360, 340856, 426070, 472720, 681712, 809533, 852140, 1619066, 1704280, 3238132, 3408560, 4047665, 6476264, 8095330, 12952528, 16190660, 32381320, 64762640]

約数ペア:

[(1, 64762640), (2, 32381320), (4, 16190660), (5, 12952528), (8, 8095330), (10, 6476264), (16, 4047665), (19, 3408560), (20, 3238132), (38, 1704280), (40, 1619066), (76, 852140), (80, 809533), (95, 681712), (137, 472720), (152, 426070), (190, 340856), (274, 236360), (304, 213035), (311, 208240), (380, 170428), (548, 118180), (622, 104120), (685, 94544), (760, 85214), (1096, 59090), (1244, 52060), (1370, 47272), (1520, 42607), (1555, 41648), (2192, 29545), (2488, 26030), (2603, 24880), (2740, 23636), (3110, 20824), (4976, 13015), (5206, 12440), (5480, 11818), (5909, 10960), (6220, 10412)]