171894520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:525

約数の個数: 128

約数和(自身を含む): 472320000

約数和(自身を除く): 300425480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 79, 95, 133, 140, 152, 158, 190, 266, 280, 316, 380, 395, 409, 532, 553, 632, 665, 760, 790, 818, 1064, 1106, 1330, 1501, 1580, 1636, 2045, 2212, 2660, 2765, 2863, 3002, 3160, 3272, 4090, 4424, 5320, 5530, 5726, 6004, 7505, 7771, 8180, 10507, 11060, 11452, 12008, 14315, 15010, 15542, 16360, 21014, 22120, 22904, 28630, 30020, 31084, 32311, 38855, 42028, 52535, 54397, 57260, 60040, 62168, 64622, 77710, 84056, 105070, 108794, 114520, 129244, 155420, 161555, 210140, 217588, 226177, 258488, 271985, 310840, 323110, 420280, 435176, 452354, 543970, 613909, 646220, 904708, 1087940, 1130885, 1227818, 1292440, 1809416, 2175880, 2261770, 2455636, 3069545, 4297363, 4523540, 4911272, 6139090, 8594726, 9047080, 12278180, 17189452, 21486815, 24556360, 34378904, 42973630, 85947260, 171894520]

約数ペア:

[(1, 171894520), (2, 85947260), (4, 42973630), (5, 34378904), (7, 24556360), (8, 21486815), (10, 17189452), (14, 12278180), (19, 9047080), (20, 8594726), (28, 6139090), (35, 4911272), (38, 4523540), (40, 4297363), (56, 3069545), (70, 2455636), (76, 2261770), (79, 2175880), (95, 1809416), (133, 1292440), (140, 1227818), (152, 1130885), (158, 1087940), (190, 904708), (266, 646220), (280, 613909), (316, 543970), (380, 452354), (395, 435176), (409, 420280), (532, 323110), (553, 310840), (632, 271985), (665, 258488), (760, 226177), (790, 217588), (818, 210140), (1064, 161555), (1106, 155420), (1330, 129244), (1501, 114520), (1580, 108794), (1636, 105070), (2045, 84056), (2212, 77710), (2660, 64622), (2765, 62168), (2863, 60040), (3002, 57260), (3160, 54397), (3272, 52535), (4090, 42028), (4424, 38855), (5320, 32311), (5530, 31084), (5726, 30020), (6004, 28630), (7505, 22904), (7771, 22120), (8180, 21014), (10507, 16360), (11060, 15542), (11452, 15010), (12008, 14315)]