64159620

素因数分解:

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

素因数の和:322

約数の個数: 144

約数和(自身を含む): 211821120

約数和(自身を除く): 147661500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 139, 140, 147, 157, 196, 210, 245, 278, 294, 314, 417, 420, 471, 490, 556, 588, 628, 695, 735, 785, 834, 942, 973, 980, 1099, 1390, 1470, 1570, 1668, 1884, 1946, 2085, 2198, 2355, 2780, 2919, 2940, 3140, 3297, 3892, 4170, 4396, 4710, 4865, 5495, 5838, 6594, 6811, 7693, 8340, 9420, 9730, 10990, 11676, 13188, 13622, 14595, 15386, 16485, 19460, 20433, 21823, 21980, 23079, 27244, 29190, 30772, 32970, 34055, 38465, 40866, 43646, 46158, 58380, 65469, 65940, 68110, 76930, 81732, 87292, 92316, 102165, 109115, 115395, 130938, 136220, 152761, 153860, 204330, 218230, 230790, 261876, 305522, 327345, 408660, 436460, 458283, 461580, 611044, 654690, 763805, 916566, 1069327, 1309380, 1527610, 1833132, 2138654, 2291415, 3055220, 3207981, 4277308, 4582830, 5346635, 6415962, 9165660, 10693270, 12831924, 16039905, 21386540, 32079810, 64159620]

約数ペア:

[(1, 64159620), (2, 32079810), (3, 21386540), (4, 16039905), (5, 12831924), (6, 10693270), (7, 9165660), (10, 6415962), (12, 5346635), (14, 4582830), (15, 4277308), (20, 3207981), (21, 3055220), (28, 2291415), (30, 2138654), (35, 1833132), (42, 1527610), (49, 1309380), (60, 1069327), (70, 916566), (84, 763805), (98, 654690), (105, 611044), (139, 461580), (140, 458283), (147, 436460), (157, 408660), (196, 327345), (210, 305522), (245, 261876), (278, 230790), (294, 218230), (314, 204330), (417, 153860), (420, 152761), (471, 136220), (490, 130938), (556, 115395), (588, 109115), (628, 102165), (695, 92316), (735, 87292), (785, 81732), (834, 76930), (942, 68110), (973, 65940), (980, 65469), (1099, 58380), (1390, 46158), (1470, 43646), (1570, 40866), (1668, 38465), (1884, 34055), (1946, 32970), (2085, 30772), (2198, 29190), (2355, 27244), (2780, 23079), (2919, 21980), (2940, 21823), (3140, 20433), (3297, 19460), (3892, 16485), (4170, 15386), (4396, 14595), (4710, 13622), (4865, 13188), (5495, 11676), (5838, 10990), (6594, 9730), (6811, 9420), (7693, 8340)]