1961791320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{431}}^1\times {\mathrm{457}}^1$

素因数の和:985

約数の個数: 128

約数和(自身を含む): 5983165440

約数和(自身を除く): 4021374120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 83, 120, 166, 249, 332, 415, 431, 457, 498, 664, 830, 862, 914, 996, 1245, 1293, 1371, 1660, 1724, 1828, 1992, 2155, 2285, 2490, 2586, 2742, 3320, 3448, 3656, 4310, 4570, 4980, 5172, 5484, 6465, 6855, 8620, 9140, 9960, 10344, 10968, 12930, 13710, 17240, 18280, 25860, 27420, 35773, 37931, 51720, 54840, 71546, 75862, 107319, 113793, 143092, 151724, 178865, 189655, 196967, 214638, 227586, 286184, 303448, 357730, 379310, 393934, 429276, 455172, 536595, 568965, 590901, 715460, 758620, 787868, 858552, 910344, 984835, 1073190, 1137930, 1181802, 1430920, 1517240, 1575736, 1969670, 2146380, 2275860, 2363604, 2954505, 3939340, 4292760, 4551720, 4727208, 5909010, 7878680, 11818020, 16348261, 23636040, 32696522, 49044783, 65393044, 81741305, 98089566, 130786088, 163482610, 196179132, 245223915, 326965220, 392358264, 490447830, 653930440, 980895660, 1961791320]

約数ペア:

[(1, 1961791320), (2, 980895660), (3, 653930440), (4, 490447830), (5, 392358264), (6, 326965220), (8, 245223915), (10, 196179132), (12, 163482610), (15, 130786088), (20, 98089566), (24, 81741305), (30, 65393044), (40, 49044783), (60, 32696522), (83, 23636040), (120, 16348261), (166, 11818020), (249, 7878680), (332, 5909010), (415, 4727208), (431, 4551720), (457, 4292760), (498, 3939340), (664, 2954505), (830, 2363604), (862, 2275860), (914, 2146380), (996, 1969670), (1245, 1575736), (1293, 1517240), (1371, 1430920), (1660, 1181802), (1724, 1137930), (1828, 1073190), (1992, 984835), (2155, 910344), (2285, 858552), (2490, 787868), (2586, 758620), (2742, 715460), (3320, 590901), (3448, 568965), (3656, 536595), (4310, 455172), (4570, 429276), (4980, 393934), (5172, 379310), (5484, 357730), (6465, 303448), (6855, 286184), (8620, 227586), (9140, 214638), (9960, 196967), (10344, 189655), (10968, 178865), (12930, 151724), (13710, 143092), (17240, 113793), (18280, 107319), (25860, 75862), (27420, 71546), (35773, 54840), (37931, 51720)]