281449680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:369

約数の個数: 160

約数和(自身を含む): 899942400

約数和(自身を除く): 618492720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 71, 80, 83, 120, 142, 166, 199, 213, 240, 249, 284, 332, 355, 398, 415, 426, 498, 568, 597, 664, 710, 796, 830, 852, 995, 996, 1065, 1136, 1194, 1245, 1328, 1420, 1592, 1660, 1704, 1990, 1992, 2130, 2388, 2490, 2840, 2985, 3184, 3320, 3408, 3980, 3984, 4260, 4776, 4980, 5680, 5893, 5970, 6640, 7960, 8520, 9552, 9960, 11786, 11940, 14129, 15920, 16517, 17040, 17679, 19920, 23572, 23880, 28258, 29465, 33034, 35358, 42387, 47144, 47760, 49551, 56516, 58930, 66068, 70645, 70716, 82585, 84774, 88395, 94288, 99102, 113032, 117860, 132136, 141290, 141432, 165170, 169548, 176790, 198204, 211935, 226064, 235720, 247755, 264272, 282580, 282864, 330340, 339096, 353580, 396408, 423870, 471440, 495510, 565160, 660680, 678192, 707160, 792816, 847740, 991020, 1130320, 1172707, 1321360, 1414320, 1695480, 1982040, 2345414, 3390960, 3518121, 3964080, 4690828, 5863535, 7036242, 9381656, 11727070, 14072484, 17590605, 18763312, 23454140, 28144968, 35181210, 46908280, 56289936, 70362420, 93816560, 140724840, 281449680]

約数ペア:

[(1, 281449680), (2, 140724840), (3, 93816560), (4, 70362420), (5, 56289936), (6, 46908280), (8, 35181210), (10, 28144968), (12, 23454140), (15, 18763312), (16, 17590605), (20, 14072484), (24, 11727070), (30, 9381656), (40, 7036242), (48, 5863535), (60, 4690828), (71, 3964080), (80, 3518121), (83, 3390960), (120, 2345414), (142, 1982040), (166, 1695480), (199, 1414320), (213, 1321360), (240, 1172707), (249, 1130320), (284, 991020), (332, 847740), (355, 792816), (398, 707160), (415, 678192), (426, 660680), (498, 565160), (568, 495510), (597, 471440), (664, 423870), (710, 396408), (796, 353580), (830, 339096), (852, 330340), (995, 282864), (996, 282580), (1065, 264272), (1136, 247755), (1194, 235720), (1245, 226064), (1328, 211935), (1420, 198204), (1592, 176790), (1660, 169548), (1704, 165170), (1990, 141432), (1992, 141290), (2130, 132136), (2388, 117860), (2490, 113032), (2840, 99102), (2985, 94288), (3184, 88395), (3320, 84774), (3408, 82585), (3980, 70716), (3984, 70645), (4260, 66068), (4776, 58930), (4980, 56516), (5680, 49551), (5893, 47760), (5970, 47144), (6640, 42387), (7960, 35358), (8520, 33034), (9552, 29465), (9960, 28258), (11786, 23880), (11940, 23572), (14129, 19920), (15920, 17679), (16517, 17040)]