1720488

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1$

素因数の和:60

約数の個数: 128

約数和(自身を含む): 5760000

約数和(自身を除く): 4039512

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 19, 21, 22, 24, 28, 33, 38, 42, 44, 49, 56, 57, 66, 76, 77, 84, 88, 98, 114, 132, 133, 147, 152, 154, 168, 196, 209, 228, 231, 264, 266, 294, 308, 343, 392, 399, 418, 456, 462, 532, 539, 588, 616, 627, 686, 798, 836, 924, 931, 1029, 1064, 1078, 1176, 1254, 1372, 1463, 1596, 1617, 1672, 1848, 1862, 2058, 2156, 2508, 2744, 2793, 2926, 3192, 3234, 3724, 3773, 4116, 4312, 4389, 5016, 5586, 5852, 6468, 6517, 7448, 7546, 8232, 8778, 10241, 11172, 11319, 11704, 12936, 13034, 15092, 17556, 19551, 20482, 22344, 22638, 26068, 30184, 30723, 35112, 39102, 40964, 45276, 52136, 61446, 71687, 78204, 81928, 90552, 122892, 143374, 156408, 215061, 245784, 286748, 430122, 573496, 860244, 1720488]

約数ペア:

[(1, 1720488), (2, 860244), (3, 573496), (4, 430122), (6, 286748), (7, 245784), (8, 215061), (11, 156408), (12, 143374), (14, 122892), (19, 90552), (21, 81928), (22, 78204), (24, 71687), (28, 61446), (33, 52136), (38, 45276), (42, 40964), (44, 39102), (49, 35112), (56, 30723), (57, 30184), (66, 26068), (76, 22638), (77, 22344), (84, 20482), (88, 19551), (98, 17556), (114, 15092), (132, 13034), (133, 12936), (147, 11704), (152, 11319), (154, 11172), (168, 10241), (196, 8778), (209, 8232), (228, 7546), (231, 7448), (264, 6517), (266, 6468), (294, 5852), (308, 5586), (343, 5016), (392, 4389), (399, 4312), (418, 4116), (456, 3773), (462, 3724), (532, 3234), (539, 3192), (588, 2926), (616, 2793), (627, 2744), (686, 2508), (798, 2156), (836, 2058), (924, 1862), (931, 1848), (1029, 1672), (1064, 1617), (1078, 1596), (1176, 1463), (1254, 1372)]