164797640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{30977}}^1$

素因数の和:31014

約数の個数: 64

約数和(自身を含む): 446083200

約数和(自身を除く): 281285560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 30977, 61954, 123908, 154885, 216839, 247816, 309770, 433678, 588563, 619540, 867356, 1084195, 1177126, 1239080, 1734712, 2168390, 2354252, 2942815, 4119941, 4336780, 4708504, 5885630, 8239882, 8673560, 11771260, 16479764, 20599705, 23542520, 32959528, 41199410, 82398820, 164797640]

約数ペア:

[(1, 164797640), (2, 82398820), (4, 41199410), (5, 32959528), (7, 23542520), (8, 20599705), (10, 16479764), (14, 11771260), (19, 8673560), (20, 8239882), (28, 5885630), (35, 4708504), (38, 4336780), (40, 4119941), (56, 2942815), (70, 2354252), (76, 2168390), (95, 1734712), (133, 1239080), (140, 1177126), (152, 1084195), (190, 867356), (266, 619540), (280, 588563), (380, 433678), (532, 309770), (665, 247816), (760, 216839), (1064, 154885), (1330, 123908), (2660, 61954), (5320, 30977)]