72699990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{12959}}^1$

素因数の和:12997

約数の個数: 64

約数和(自身を含む): 201553920

約数和(自身を除く): 128853930

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 17, 22, 30, 33, 34, 51, 55, 66, 85, 102, 110, 165, 170, 187, 255, 330, 374, 510, 561, 935, 1122, 1870, 2805, 5610, 12959, 25918, 38877, 64795, 77754, 129590, 142549, 194385, 220303, 285098, 388770, 427647, 440606, 660909, 712745, 855294, 1101515, 1321818, 1425490, 2138235, 2203030, 2423333, 3304545, 4276470, 4846666, 6609090, 7269999, 12116665, 14539998, 24233330, 36349995, 72699990]

約数ペア:

[(1, 72699990), (2, 36349995), (3, 24233330), (5, 14539998), (6, 12116665), (10, 7269999), (11, 6609090), (15, 4846666), (17, 4276470), (22, 3304545), (30, 2423333), (33, 2203030), (34, 2138235), (51, 1425490), (55, 1321818), (66, 1101515), (85, 855294), (102, 712745), (110, 660909), (165, 440606), (170, 427647), (187, 388770), (255, 285098), (330, 220303), (374, 194385), (510, 142549), (561, 129590), (935, 77754), (1122, 64795), (1870, 38877), (2805, 25918), (5610, 12959)]