204069760

素因数分解:

$2^7\times 5^1\times {\mathrm{419}}^1\times {\mathrm{761}}^1$

素因数の和:1199

約数の個数: 64

約数和(自身を含む): 489661200

約数和(自身を除く): 285591440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 419, 640, 761, 838, 1522, 1676, 2095, 3044, 3352, 3805, 4190, 6088, 6704, 7610, 8380, 12176, 13408, 15220, 16760, 24352, 26816, 30440, 33520, 48704, 53632, 60880, 67040, 97408, 121760, 134080, 243520, 268160, 318859, 487040, 637718, 1275436, 1594295, 2550872, 3188590, 5101744, 6377180, 10203488, 12754360, 20406976, 25508720, 40813952, 51017440, 102034880, 204069760]

約数ペア:

[(1, 204069760), (2, 102034880), (4, 51017440), (5, 40813952), (8, 25508720), (10, 20406976), (16, 12754360), (20, 10203488), (32, 6377180), (40, 5101744), (64, 3188590), (80, 2550872), (128, 1594295), (160, 1275436), (320, 637718), (419, 487040), (640, 318859), (761, 268160), (838, 243520), (1522, 134080), (1676, 121760), (2095, 97408), (3044, 67040), (3352, 60880), (3805, 53632), (4190, 48704), (6088, 33520), (6704, 30440), (7610, 26816), (8380, 24352), (12176, 16760), (13408, 15220)]