123308680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{349}}^1$

素因数の和:455

約数の個数: 96

約数和(自身を含む): 310023000

約数和(自身を除く): 186714320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 73, 88, 110, 121, 146, 220, 242, 292, 349, 365, 440, 484, 584, 605, 698, 730, 803, 968, 1210, 1396, 1460, 1606, 1745, 2420, 2792, 2920, 3212, 3490, 3839, 4015, 4840, 6424, 6980, 7678, 8030, 8833, 13960, 15356, 16060, 17666, 19195, 25477, 30712, 32120, 35332, 38390, 42229, 44165, 50954, 70664, 76780, 84458, 88330, 101908, 127385, 153560, 168916, 176660, 203816, 211145, 254770, 280247, 337832, 353320, 422290, 509540, 560494, 844580, 1019080, 1120988, 1401235, 1689160, 2241976, 2802470, 3082717, 5604940, 6165434, 11209880, 12330868, 15413585, 24661736, 30827170, 61654340, 123308680]

約数ペア:

[(1, 123308680), (2, 61654340), (4, 30827170), (5, 24661736), (8, 15413585), (10, 12330868), (11, 11209880), (20, 6165434), (22, 5604940), (40, 3082717), (44, 2802470), (55, 2241976), (73, 1689160), (88, 1401235), (110, 1120988), (121, 1019080), (146, 844580), (220, 560494), (242, 509540), (292, 422290), (349, 353320), (365, 337832), (440, 280247), (484, 254770), (584, 211145), (605, 203816), (698, 176660), (730, 168916), (803, 153560), (968, 127385), (1210, 101908), (1396, 88330), (1460, 84458), (1606, 76780), (1745, 70664), (2420, 50954), (2792, 44165), (2920, 42229), (3212, 38390), (3490, 35332), (3839, 32120), (4015, 30712), (4840, 25477), (6424, 19195), (6980, 17666), (7678, 16060), (8030, 15356), (8833, 13960)]