1689496720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{433}}^1$

素因数の和:633

約数の個数: 160

約数和(自身を含む): 4417217280

約数和(自身を除く): 2727720560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 151, 152, 170, 190, 272, 302, 304, 323, 340, 380, 433, 604, 646, 680, 755, 760, 866, 1208, 1292, 1360, 1510, 1520, 1615, 1732, 2165, 2416, 2567, 2584, 2869, 3020, 3230, 3464, 4330, 5134, 5168, 5738, 6040, 6460, 6928, 7361, 8227, 8660, 10268, 11476, 12080, 12835, 12920, 14345, 14722, 16454, 17320, 20536, 22952, 25670, 25840, 28690, 29444, 32908, 34640, 36805, 41072, 41135, 45904, 48773, 51340, 57380, 58888, 65383, 65816, 73610, 82270, 97546, 102680, 114760, 117776, 130766, 131632, 139859, 147220, 164540, 195092, 205360, 229520, 243865, 261532, 279718, 294440, 326915, 329080, 390184, 487730, 523064, 559436, 588880, 653830, 658160, 699295, 780368, 975460, 1046128, 1111511, 1118872, 1242277, 1307660, 1398590, 1950920, 2223022, 2237744, 2484554, 2615320, 2797180, 3901840, 4446044, 4969108, 5230640, 5557555, 5594360, 6211385, 8892088, 9938216, 11115110, 11188720, 12422770, 17784176, 19876432, 21118709, 22230220, 24845540, 42237418, 44460440, 49691080, 84474836, 88920880, 99382160, 105593545, 168949672, 211187090, 337899344, 422374180, 844748360, 1689496720]

約数ペア:

[(1, 1689496720), (2, 844748360), (4, 422374180), (5, 337899344), (8, 211187090), (10, 168949672), (16, 105593545), (17, 99382160), (19, 88920880), (20, 84474836), (34, 49691080), (38, 44460440), (40, 42237418), (68, 24845540), (76, 22230220), (80, 21118709), (85, 19876432), (95, 17784176), (136, 12422770), (151, 11188720), (152, 11115110), (170, 9938216), (190, 8892088), (272, 6211385), (302, 5594360), (304, 5557555), (323, 5230640), (340, 4969108), (380, 4446044), (433, 3901840), (604, 2797180), (646, 2615320), (680, 2484554), (755, 2237744), (760, 2223022), (866, 1950920), (1208, 1398590), (1292, 1307660), (1360, 1242277), (1510, 1118872), (1520, 1111511), (1615, 1046128), (1732, 975460), (2165, 780368), (2416, 699295), (2567, 658160), (2584, 653830), (2869, 588880), (3020, 559436), (3230, 523064), (3464, 487730), (4330, 390184), (5134, 329080), (5168, 326915), (5738, 294440), (6040, 279718), (6460, 261532), (6928, 243865), (7361, 229520), (8227, 205360), (8660, 195092), (10268, 164540), (11476, 147220), (12080, 139859), (12835, 131632), (12920, 130766), (14345, 117776), (14722, 114760), (16454, 102680), (17320, 97546), (20536, 82270), (22952, 73610), (25670, 65816), (25840, 65383), (28690, 58888), (29444, 57380), (32908, 51340), (34640, 48773), (36805, 45904), (41072, 41135)]