30680440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:189

約数の個数: 128

約数和(自身を含む): 85248000

約数和(自身を除く): 54567560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 73, 76, 79, 95, 133, 140, 146, 152, 158, 190, 266, 280, 292, 316, 365, 380, 395, 511, 532, 553, 584, 632, 665, 730, 760, 790, 1022, 1064, 1106, 1330, 1387, 1460, 1501, 1580, 2044, 2212, 2555, 2660, 2765, 2774, 2920, 3002, 3160, 4088, 4424, 5110, 5320, 5530, 5548, 5767, 6004, 6935, 7505, 9709, 10220, 10507, 11060, 11096, 11534, 12008, 13870, 15010, 19418, 20440, 21014, 22120, 23068, 27740, 28835, 30020, 38836, 40369, 42028, 46136, 48545, 52535, 55480, 57670, 60040, 77672, 80738, 84056, 97090, 105070, 109573, 115340, 161476, 194180, 201845, 210140, 219146, 230680, 322952, 388360, 403690, 420280, 438292, 547865, 767011, 807380, 876584, 1095730, 1534022, 1614760, 2191460, 3068044, 3835055, 4382920, 6136088, 7670110, 15340220, 30680440]

約数ペア:

[(1, 30680440), (2, 15340220), (4, 7670110), (5, 6136088), (7, 4382920), (8, 3835055), (10, 3068044), (14, 2191460), (19, 1614760), (20, 1534022), (28, 1095730), (35, 876584), (38, 807380), (40, 767011), (56, 547865), (70, 438292), (73, 420280), (76, 403690), (79, 388360), (95, 322952), (133, 230680), (140, 219146), (146, 210140), (152, 201845), (158, 194180), (190, 161476), (266, 115340), (280, 109573), (292, 105070), (316, 97090), (365, 84056), (380, 80738), (395, 77672), (511, 60040), (532, 57670), (553, 55480), (584, 52535), (632, 48545), (665, 46136), (730, 42028), (760, 40369), (790, 38836), (1022, 30020), (1064, 28835), (1106, 27740), (1330, 23068), (1387, 22120), (1460, 21014), (1501, 20440), (1580, 19418), (2044, 15010), (2212, 13870), (2555, 12008), (2660, 11534), (2765, 11096), (2774, 11060), (2920, 10507), (3002, 10220), (3160, 9709), (4088, 7505), (4424, 6935), (5110, 6004), (5320, 5767), (5530, 5548)]