128723784

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{823}}^1$

素因数の和:872

約数の個数: 128

約数和(自身を含む): 395520000

約数和(自身を除く): 266796216

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 49, 56, 57, 76, 84, 98, 114, 133, 147, 152, 168, 196, 228, 266, 294, 343, 392, 399, 456, 532, 588, 686, 798, 823, 931, 1029, 1064, 1176, 1372, 1596, 1646, 1862, 2058, 2469, 2744, 2793, 3192, 3292, 3724, 4116, 4938, 5586, 5761, 6517, 6584, 7448, 8232, 9876, 11172, 11522, 13034, 15637, 17283, 19551, 19752, 22344, 23044, 26068, 31274, 34566, 39102, 40327, 46088, 46911, 52136, 62548, 69132, 78204, 80654, 93822, 109459, 120981, 125096, 138264, 156408, 161308, 187644, 218918, 241962, 282289, 322616, 328377, 375288, 437836, 483924, 564578, 656754, 766213, 846867, 875672, 967848, 1129156, 1313508, 1532426, 1693734, 2258312, 2298639, 2627016, 3064852, 3387468, 4597278, 5363491, 6129704, 6774936, 9194556, 10726982, 16090473, 18389112, 21453964, 32180946, 42907928, 64361892, 128723784]

約数ペア:

[(1, 128723784), (2, 64361892), (3, 42907928), (4, 32180946), (6, 21453964), (7, 18389112), (8, 16090473), (12, 10726982), (14, 9194556), (19, 6774936), (21, 6129704), (24, 5363491), (28, 4597278), (38, 3387468), (42, 3064852), (49, 2627016), (56, 2298639), (57, 2258312), (76, 1693734), (84, 1532426), (98, 1313508), (114, 1129156), (133, 967848), (147, 875672), (152, 846867), (168, 766213), (196, 656754), (228, 564578), (266, 483924), (294, 437836), (343, 375288), (392, 328377), (399, 322616), (456, 282289), (532, 241962), (588, 218918), (686, 187644), (798, 161308), (823, 156408), (931, 138264), (1029, 125096), (1064, 120981), (1176, 109459), (1372, 93822), (1596, 80654), (1646, 78204), (1862, 69132), (2058, 62548), (2469, 52136), (2744, 46911), (2793, 46088), (3192, 40327), (3292, 39102), (3724, 34566), (4116, 31274), (4938, 26068), (5586, 23044), (5761, 22344), (6517, 19752), (6584, 19551), (7448, 17283), (8232, 15637), (9876, 13034), (11172, 11522)]