123515868

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{2659}}^1$

素因数の和:2759

約数の個数: 72

約数和(自身を含む): 339628800

約数和(自身を除く): 216112932

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 79, 84, 98, 147, 158, 196, 237, 294, 316, 474, 553, 588, 948, 1106, 1659, 2212, 2659, 3318, 3871, 5318, 6636, 7742, 7977, 10636, 11613, 15484, 15954, 18613, 23226, 31908, 37226, 46452, 55839, 74452, 111678, 130291, 210061, 223356, 260582, 390873, 420122, 521164, 630183, 781746, 840244, 1260366, 1470427, 1563492, 2520732, 2940854, 4411281, 5881708, 8822562, 10292989, 17645124, 20585978, 30878967, 41171956, 61757934, 123515868]

約数ペア:

[(1, 123515868), (2, 61757934), (3, 41171956), (4, 30878967), (6, 20585978), (7, 17645124), (12, 10292989), (14, 8822562), (21, 5881708), (28, 4411281), (42, 2940854), (49, 2520732), (79, 1563492), (84, 1470427), (98, 1260366), (147, 840244), (158, 781746), (196, 630183), (237, 521164), (294, 420122), (316, 390873), (474, 260582), (553, 223356), (588, 210061), (948, 130291), (1106, 111678), (1659, 74452), (2212, 55839), (2659, 46452), (3318, 37226), (3871, 31908), (5318, 23226), (6636, 18613), (7742, 15954), (7977, 15484), (10636, 11613)]