12439980

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{1097}}^1$

素因数の和:1125

約数の個数: 120

約数和(自身を含む): 44640288

約数和(自身を除く): 32200308

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1097, 1134, 1260, 1620, 1890, 2194, 2268, 2835, 3291, 3780, 4388, 5485, 5670, 6582, 7679, 9873, 10970, 11340, 13164, 15358, 16455, 19746, 21940, 23037, 29619, 30716, 32910, 38395, 39492, 46074, 49365, 59238, 65820, 69111, 76790, 88857, 92148, 98730, 115185, 118476, 138222, 148095, 153580, 177714, 197460, 207333, 230370, 276444, 296190, 345555, 355428, 414666, 444285, 460740, 592380, 621999, 691110, 829332, 888570, 1036665, 1243998, 1382220, 1777140, 2073330, 2487996, 3109995, 4146660, 6219990, 12439980]

約数ペア:

[(1, 12439980), (2, 6219990), (3, 4146660), (4, 3109995), (5, 2487996), (6, 2073330), (7, 1777140), (9, 1382220), (10, 1243998), (12, 1036665), (14, 888570), (15, 829332), (18, 691110), (20, 621999), (21, 592380), (27, 460740), (28, 444285), (30, 414666), (35, 355428), (36, 345555), (42, 296190), (45, 276444), (54, 230370), (60, 207333), (63, 197460), (70, 177714), (81, 153580), (84, 148095), (90, 138222), (105, 118476), (108, 115185), (126, 98730), (135, 92148), (140, 88857), (162, 76790), (180, 69111), (189, 65820), (210, 59238), (252, 49365), (270, 46074), (315, 39492), (324, 38395), (378, 32910), (405, 30716), (420, 29619), (540, 23037), (567, 21940), (630, 19746), (756, 16455), (810, 15358), (945, 13164), (1097, 11340), (1134, 10970), (1260, 9873), (1620, 7679), (1890, 6582), (2194, 5670), (2268, 5485), (2835, 4388), (3291, 3780)]