55807980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:375

約数の個数: 96

約数和(自身を含む): 162269184

約数和(自身を除く): 106461204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 97, 129, 172, 194, 215, 223, 258, 291, 388, 430, 446, 485, 516, 582, 645, 669, 860, 892, 970, 1115, 1164, 1290, 1338, 1455, 1940, 2230, 2580, 2676, 2910, 3345, 4171, 4460, 5820, 6690, 8342, 9589, 12513, 13380, 16684, 19178, 20855, 21631, 25026, 28767, 38356, 41710, 43262, 47945, 50052, 57534, 62565, 64893, 83420, 86524, 95890, 108155, 115068, 125130, 129786, 143835, 191780, 216310, 250260, 259572, 287670, 324465, 432620, 575340, 648930, 930133, 1297860, 1860266, 2790399, 3720532, 4650665, 5580798, 9301330, 11161596, 13951995, 18602660, 27903990, 55807980]

約数ペア:

[(1, 55807980), (2, 27903990), (3, 18602660), (4, 13951995), (5, 11161596), (6, 9301330), (10, 5580798), (12, 4650665), (15, 3720532), (20, 2790399), (30, 1860266), (43, 1297860), (60, 930133), (86, 648930), (97, 575340), (129, 432620), (172, 324465), (194, 287670), (215, 259572), (223, 250260), (258, 216310), (291, 191780), (388, 143835), (430, 129786), (446, 125130), (485, 115068), (516, 108155), (582, 95890), (645, 86524), (669, 83420), (860, 64893), (892, 62565), (970, 57534), (1115, 50052), (1164, 47945), (1290, 43262), (1338, 41710), (1455, 38356), (1940, 28767), (2230, 25026), (2580, 21631), (2676, 20855), (2910, 19178), (3345, 16684), (4171, 13380), (4460, 12513), (5820, 9589), (6690, 8342)]