27496980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:318

約数の個数: 144

約数和(自身を含む): 96620160

約数和(自身を除く): 69123180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 139, 140, 157, 180, 210, 252, 278, 314, 315, 417, 420, 471, 556, 628, 630, 695, 785, 834, 942, 973, 1099, 1251, 1260, 1390, 1413, 1570, 1668, 1884, 1946, 2085, 2198, 2355, 2502, 2780, 2826, 2919, 3140, 3297, 3892, 4170, 4396, 4710, 4865, 5004, 5495, 5652, 5838, 6255, 6594, 7065, 8340, 8757, 9420, 9730, 9891, 10990, 11676, 12510, 13188, 14130, 14595, 16485, 17514, 19460, 19782, 21823, 21980, 25020, 28260, 29190, 32970, 35028, 39564, 43646, 43785, 49455, 58380, 65469, 65940, 87292, 87570, 98910, 109115, 130938, 152761, 175140, 196407, 197820, 218230, 261876, 305522, 327345, 392814, 436460, 458283, 611044, 654690, 763805, 785628, 916566, 982035, 1309380, 1374849, 1527610, 1833132, 1964070, 2291415, 2749698, 3055220, 3928140, 4582830, 5499396, 6874245, 9165660, 13748490, 27496980]

約数ペア:

[(1, 27496980), (2, 13748490), (3, 9165660), (4, 6874245), (5, 5499396), (6, 4582830), (7, 3928140), (9, 3055220), (10, 2749698), (12, 2291415), (14, 1964070), (15, 1833132), (18, 1527610), (20, 1374849), (21, 1309380), (28, 982035), (30, 916566), (35, 785628), (36, 763805), (42, 654690), (45, 611044), (60, 458283), (63, 436460), (70, 392814), (84, 327345), (90, 305522), (105, 261876), (126, 218230), (139, 197820), (140, 196407), (157, 175140), (180, 152761), (210, 130938), (252, 109115), (278, 98910), (314, 87570), (315, 87292), (417, 65940), (420, 65469), (471, 58380), (556, 49455), (628, 43785), (630, 43646), (695, 39564), (785, 35028), (834, 32970), (942, 29190), (973, 28260), (1099, 25020), (1251, 21980), (1260, 21823), (1390, 19782), (1413, 19460), (1570, 17514), (1668, 16485), (1884, 14595), (1946, 14130), (2085, 13188), (2198, 12510), (2355, 11676), (2502, 10990), (2780, 9891), (2826, 9730), (2919, 9420), (3140, 8757), (3297, 8340), (3892, 7065), (4170, 6594), (4396, 6255), (4710, 5838), (4865, 5652), (5004, 5495)]