84770180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1523}}^1$

素因数の和:1577

約数の個数: 72

約数和(自身を含む): 204313536

約数和(自身を除く): 119543356

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 121, 220, 230, 242, 253, 460, 484, 506, 605, 1012, 1210, 1265, 1523, 2420, 2530, 2783, 3046, 5060, 5566, 6092, 7615, 11132, 13915, 15230, 16753, 27830, 30460, 33506, 35029, 55660, 67012, 70058, 83765, 140116, 167530, 175145, 184283, 335060, 350290, 368566, 385319, 700580, 737132, 770638, 921415, 1541276, 1842830, 1926595, 3685660, 3853190, 4238509, 7706380, 8477018, 16954036, 21192545, 42385090, 84770180]

約数ペア:

[(1, 84770180), (2, 42385090), (4, 21192545), (5, 16954036), (10, 8477018), (11, 7706380), (20, 4238509), (22, 3853190), (23, 3685660), (44, 1926595), (46, 1842830), (55, 1541276), (92, 921415), (110, 770638), (115, 737132), (121, 700580), (220, 385319), (230, 368566), (242, 350290), (253, 335060), (460, 184283), (484, 175145), (506, 167530), (605, 140116), (1012, 83765), (1210, 70058), (1265, 67012), (1523, 55660), (2420, 35029), (2530, 33506), (2783, 30460), (3046, 27830), (5060, 16753), (5566, 15230), (6092, 13915), (7615, 11132)]