128420316

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{907}}^1$

素因数の和:965

約数の個数: 120

約数和(自身を含む): 369156480

約数和(自身を除く): 240736164

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 27, 36, 38, 46, 54, 57, 69, 76, 81, 92, 108, 114, 138, 162, 171, 207, 228, 276, 324, 342, 414, 437, 513, 621, 684, 828, 874, 907, 1026, 1242, 1311, 1539, 1748, 1814, 1863, 2052, 2484, 2622, 2721, 3078, 3628, 3726, 3933, 5244, 5442, 6156, 7452, 7866, 8163, 10884, 11799, 15732, 16326, 17233, 20861, 23598, 24489, 32652, 34466, 35397, 41722, 47196, 48978, 51699, 62583, 68932, 70794, 73467, 83444, 97956, 103398, 125166, 141588, 146934, 155097, 187749, 206796, 250332, 293868, 310194, 375498, 396359, 465291, 563247, 620388, 750996, 792718, 930582, 1126494, 1189077, 1395873, 1585436, 1689741, 1861164, 2252988, 2378154, 2791746, 3379482, 3567231, 4756308, 5583492, 6758964, 7134462, 10701693, 14268924, 21403386, 32105079, 42806772, 64210158, 128420316]

約数ペア:

[(1, 128420316), (2, 64210158), (3, 42806772), (4, 32105079), (6, 21403386), (9, 14268924), (12, 10701693), (18, 7134462), (19, 6758964), (23, 5583492), (27, 4756308), (36, 3567231), (38, 3379482), (46, 2791746), (54, 2378154), (57, 2252988), (69, 1861164), (76, 1689741), (81, 1585436), (92, 1395873), (108, 1189077), (114, 1126494), (138, 930582), (162, 792718), (171, 750996), (207, 620388), (228, 563247), (276, 465291), (324, 396359), (342, 375498), (414, 310194), (437, 293868), (513, 250332), (621, 206796), (684, 187749), (828, 155097), (874, 146934), (907, 141588), (1026, 125166), (1242, 103398), (1311, 97956), (1539, 83444), (1748, 73467), (1814, 70794), (1863, 68932), (2052, 62583), (2484, 51699), (2622, 48978), (2721, 47196), (3078, 41722), (3628, 35397), (3726, 34466), (3933, 32652), (5244, 24489), (5442, 23598), (6156, 20861), (7452, 17233), (7866, 16326), (8163, 15732), (10884, 11799)]