201615920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{13477}}^1$

素因数の和:13518

約数の個数: 80

約数和(自身を含む): 541492128

約数和(自身を除く): 339876208

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 220, 272, 340, 374, 440, 680, 748, 880, 935, 1360, 1496, 1870, 2992, 3740, 7480, 13477, 14960, 26954, 53908, 67385, 107816, 134770, 148247, 215632, 229109, 269540, 296494, 458218, 539080, 592988, 741235, 916436, 1078160, 1145545, 1185976, 1482470, 1832872, 2291090, 2371952, 2520199, 2964940, 3665744, 4582180, 5040398, 5929880, 9164360, 10080796, 11859760, 12600995, 18328720, 20161592, 25201990, 40323184, 50403980, 100807960, 201615920]

約数ペア:

[(1, 201615920), (2, 100807960), (4, 50403980), (5, 40323184), (8, 25201990), (10, 20161592), (11, 18328720), (16, 12600995), (17, 11859760), (20, 10080796), (22, 9164360), (34, 5929880), (40, 5040398), (44, 4582180), (55, 3665744), (68, 2964940), (80, 2520199), (85, 2371952), (88, 2291090), (110, 1832872), (136, 1482470), (170, 1185976), (176, 1145545), (187, 1078160), (220, 916436), (272, 741235), (340, 592988), (374, 539080), (440, 458218), (680, 296494), (748, 269540), (880, 229109), (935, 215632), (1360, 148247), (1496, 134770), (1870, 107816), (2992, 67385), (3740, 53908), (7480, 26954), (13477, 14960)]