128325456

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2087}}^1$

素因数の和:2169

約数の個数: 120

約数和(自身を含む): 417366144

約数和(自身を除く): 289040688

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 61, 63, 72, 84, 112, 122, 126, 144, 168, 183, 244, 252, 336, 366, 427, 488, 504, 549, 732, 854, 976, 1008, 1098, 1281, 1464, 1708, 2087, 2196, 2562, 2928, 3416, 3843, 4174, 4392, 5124, 6261, 6832, 7686, 8348, 8784, 10248, 12522, 14609, 15372, 16696, 18783, 20496, 25044, 29218, 30744, 33392, 37566, 43827, 50088, 58436, 61488, 75132, 87654, 100176, 116872, 127307, 131481, 150264, 175308, 233744, 254614, 262962, 300528, 350616, 381921, 509228, 525924, 701232, 763842, 891149, 1018456, 1051848, 1145763, 1527684, 1782298, 2036912, 2103696, 2291526, 2673447, 3055368, 3564596, 4583052, 5346894, 6110736, 7129192, 8020341, 9166104, 10693788, 14258384, 16040682, 18332208, 21387576, 32081364, 42775152, 64162728, 128325456]

約数ペア:

[(1, 128325456), (2, 64162728), (3, 42775152), (4, 32081364), (6, 21387576), (7, 18332208), (8, 16040682), (9, 14258384), (12, 10693788), (14, 9166104), (16, 8020341), (18, 7129192), (21, 6110736), (24, 5346894), (28, 4583052), (36, 3564596), (42, 3055368), (48, 2673447), (56, 2291526), (61, 2103696), (63, 2036912), (72, 1782298), (84, 1527684), (112, 1145763), (122, 1051848), (126, 1018456), (144, 891149), (168, 763842), (183, 701232), (244, 525924), (252, 509228), (336, 381921), (366, 350616), (427, 300528), (488, 262962), (504, 254614), (549, 233744), (732, 175308), (854, 150264), (976, 131481), (1008, 127307), (1098, 116872), (1281, 100176), (1464, 87654), (1708, 75132), (2087, 61488), (2196, 58436), (2562, 50088), (2928, 43827), (3416, 37566), (3843, 33392), (4174, 30744), (4392, 29218), (5124, 25044), (6261, 20496), (6832, 18783), (7686, 16696), (8348, 15372), (8784, 14609), (10248, 12522)]