678903960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{769}}^1\times {\mathrm{1051}}^1$

素因数の和:1841

約数の個数: 128

約数和(自身を含む): 2332915200

約数和(自身を除く): 1654011240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 769, 840, 1051, 1538, 2102, 2307, 3076, 3153, 3845, 4204, 4614, 5255, 5383, 6152, 6306, 7357, 7690, 8408, 9228, 10510, 10766, 11535, 12612, 14714, 15380, 15765, 16149, 18456, 21020, 21532, 22071, 23070, 25224, 26915, 29428, 30760, 31530, 32298, 36785, 42040, 43064, 44142, 46140, 53830, 58856, 63060, 64596, 73570, 80745, 88284, 92280, 107660, 110355, 126120, 129192, 147140, 161490, 176568, 215320, 220710, 294280, 322980, 441420, 645960, 808219, 882840, 1616438, 2424657, 3232876, 4041095, 4849314, 5657533, 6465752, 8082190, 9698628, 11315066, 12123285, 16164380, 16972599, 19397256, 22630132, 24246570, 28287665, 32328760, 33945198, 45260264, 48493140, 56575330, 67890396, 84862995, 96986280, 113150660, 135780792, 169725990, 226301320, 339451980, 678903960]

約数ペア:

[(1, 678903960), (2, 339451980), (3, 226301320), (4, 169725990), (5, 135780792), (6, 113150660), (7, 96986280), (8, 84862995), (10, 67890396), (12, 56575330), (14, 48493140), (15, 45260264), (20, 33945198), (21, 32328760), (24, 28287665), (28, 24246570), (30, 22630132), (35, 19397256), (40, 16972599), (42, 16164380), (56, 12123285), (60, 11315066), (70, 9698628), (84, 8082190), (105, 6465752), (120, 5657533), (140, 4849314), (168, 4041095), (210, 3232876), (280, 2424657), (420, 1616438), (769, 882840), (840, 808219), (1051, 645960), (1538, 441420), (2102, 322980), (2307, 294280), (3076, 220710), (3153, 215320), (3845, 176568), (4204, 161490), (4614, 147140), (5255, 129192), (5383, 126120), (6152, 110355), (6306, 107660), (7357, 92280), (7690, 88284), (8408, 80745), (9228, 73570), (10510, 64596), (10766, 63060), (11535, 58856), (12612, 53830), (14714, 46140), (15380, 44142), (15765, 43064), (16149, 42040), (18456, 36785), (21020, 32298), (21532, 31530), (22071, 30760), (23070, 29428), (25224, 26915)]