19734960

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{691}}^1$

素因数の和:731

約数の個数: 160

約数和(自身を含む): 74138112

約数和(自身を除く): 54403152

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 48, 51, 56, 60, 68, 70, 80, 84, 85, 102, 105, 112, 119, 120, 136, 140, 168, 170, 204, 210, 238, 240, 255, 272, 280, 336, 340, 357, 408, 420, 476, 510, 560, 595, 680, 691, 714, 816, 840, 952, 1020, 1190, 1360, 1382, 1428, 1680, 1785, 1904, 2040, 2073, 2380, 2764, 2856, 3455, 3570, 4080, 4146, 4760, 4837, 5528, 5712, 6910, 7140, 8292, 9520, 9674, 10365, 11056, 11747, 13820, 14280, 14511, 16584, 19348, 20730, 23494, 24185, 27640, 28560, 29022, 33168, 35241, 38696, 41460, 46988, 48370, 55280, 58044, 58735, 70482, 72555, 77392, 82229, 82920, 93976, 96740, 116088, 117470, 140964, 145110, 164458, 165840, 176205, 187952, 193480, 232176, 234940, 246687, 281928, 290220, 328916, 352410, 386960, 411145, 469880, 493374, 563856, 580440, 657832, 704820, 822290, 939760, 986748, 1160880, 1233435, 1315664, 1409640, 1644580, 1973496, 2466870, 2819280, 3289160, 3946992, 4933740, 6578320, 9867480, 19734960]

約数ペア:

[(1, 19734960), (2, 9867480), (3, 6578320), (4, 4933740), (5, 3946992), (6, 3289160), (7, 2819280), (8, 2466870), (10, 1973496), (12, 1644580), (14, 1409640), (15, 1315664), (16, 1233435), (17, 1160880), (20, 986748), (21, 939760), (24, 822290), (28, 704820), (30, 657832), (34, 580440), (35, 563856), (40, 493374), (42, 469880), (48, 411145), (51, 386960), (56, 352410), (60, 328916), (68, 290220), (70, 281928), (80, 246687), (84, 234940), (85, 232176), (102, 193480), (105, 187952), (112, 176205), (119, 165840), (120, 164458), (136, 145110), (140, 140964), (168, 117470), (170, 116088), (204, 96740), (210, 93976), (238, 82920), (240, 82229), (255, 77392), (272, 72555), (280, 70482), (336, 58735), (340, 58044), (357, 55280), (408, 48370), (420, 46988), (476, 41460), (510, 38696), (560, 35241), (595, 33168), (680, 29022), (691, 28560), (714, 27640), (816, 24185), (840, 23494), (952, 20730), (1020, 19348), (1190, 16584), (1360, 14511), (1382, 14280), (1428, 13820), (1680, 11747), (1785, 11056), (1904, 10365), (2040, 9674), (2073, 9520), (2380, 8292), (2764, 7140), (2856, 6910), (3455, 5712), (3570, 5528), (4080, 4837), (4146, 4760)]