180980852

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:397

約数の個数: 72

約数和(自身を含む): 372782592

約数和(自身を除く): 191801740

約数列:

[1, 2, 4, 13, 19, 26, 31, 38, 52, 62, 76, 124, 247, 311, 361, 403, 494, 589, 622, 722, 806, 988, 1178, 1244, 1444, 1612, 2356, 4043, 4693, 5909, 7657, 8086, 9386, 9641, 11191, 11818, 15314, 16172, 18772, 19282, 22382, 23636, 30628, 38564, 44764, 76817, 112271, 125333, 145483, 153634, 183179, 224542, 250666, 290966, 307268, 366358, 449084, 501332, 581932, 732716, 1459523, 2381327, 2919046, 3480401, 4762654, 5838092, 6960802, 9525308, 13921604, 45245213, 90490426, 180980852]

約数ペア:

[(1, 180980852), (2, 90490426), (4, 45245213), (13, 13921604), (19, 9525308), (26, 6960802), (31, 5838092), (38, 4762654), (52, 3480401), (62, 2919046), (76, 2381327), (124, 1459523), (247, 732716), (311, 581932), (361, 501332), (403, 449084), (494, 366358), (589, 307268), (622, 290966), (722, 250666), (806, 224542), (988, 183179), (1178, 153634), (1244, 145483), (1444, 125333), (1612, 112271), (2356, 76817), (4043, 44764), (4693, 38564), (5909, 30628), (7657, 23636), (8086, 22382), (9386, 19282), (9641, 18772), (11191, 16172), (11818, 15314)]