215999280

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2521}}^1$

素因数の和:2564

約数の個数: 240

約数和(自身を含む): 878140224

約数和(自身を除く): 662140944

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 28, 30, 34, 35, 36, 40, 42, 45, 48, 51, 56, 60, 63, 68, 70, 72, 80, 84, 85, 90, 102, 105, 112, 119, 120, 126, 136, 140, 144, 153, 168, 170, 180, 204, 210, 238, 240, 252, 255, 272, 280, 306, 315, 336, 340, 357, 360, 408, 420, 476, 504, 510, 560, 595, 612, 630, 680, 714, 720, 765, 816, 840, 952, 1008, 1020, 1071, 1190, 1224, 1260, 1360, 1428, 1530, 1680, 1785, 1904, 2040, 2142, 2380, 2448, 2520, 2521, 2856, 3060, 3570, 4080, 4284, 4760, 5040, 5042, 5355, 5712, 6120, 7140, 7563, 8568, 9520, 10084, 10710, 12240, 12605, 14280, 15126, 17136, 17647, 20168, 21420, 22689, 25210, 28560, 30252, 35294, 37815, 40336, 42840, 42857, 45378, 50420, 52941, 60504, 70588, 75630, 85680, 85714, 88235, 90756, 100840, 105882, 113445, 121008, 128571, 141176, 151260, 158823, 171428, 176470, 181512, 201680, 211764, 214285, 226890, 257142, 264705, 282352, 299999, 302520, 317646, 342856, 352940, 363024, 385713, 423528, 428570, 453780, 514284, 529410, 599998, 605040, 635292, 642855, 685712, 705880, 771426, 794115, 847056, 857140, 899997, 907560, 1028568, 1058820, 1199996, 1270584, 1285710, 1411760, 1499995, 1542852, 1588230, 1714280, 1799994, 1815120, 1928565, 2057136, 2117640, 2399992, 2541168, 2571420, 2699991, 2999990, 3085704, 3176460, 3428560, 3599988, 3857130, 4235280, 4499985, 4799984, 5142840, 5399982, 5999980, 6171408, 6352920, 7199976, 7714260, 8999970, 10285680, 10799964, 11999960, 12705840, 13499955, 14399952, 15428520, 17999940, 21599928, 23999920, 26999910, 30857040, 35999880, 43199856, 53999820, 71999760, 107999640, 215999280]

約数ペア:

[(1, 215999280), (2, 107999640), (3, 71999760), (4, 53999820), (5, 43199856), (6, 35999880), (7, 30857040), (8, 26999910), (9, 23999920), (10, 21599928), (12, 17999940), (14, 15428520), (15, 14399952), (16, 13499955), (17, 12705840), (18, 11999960), (20, 10799964), (21, 10285680), (24, 8999970), (28, 7714260), (30, 7199976), (34, 6352920), (35, 6171408), (36, 5999980), (40, 5399982), (42, 5142840), (45, 4799984), (48, 4499985), (51, 4235280), (56, 3857130), (60, 3599988), (63, 3428560), (68, 3176460), (70, 3085704), (72, 2999990), (80, 2699991), (84, 2571420), (85, 2541168), (90, 2399992), (102, 2117640), (105, 2057136), (112, 1928565), (119, 1815120), (120, 1799994), (126, 1714280), (136, 1588230), (140, 1542852), (144, 1499995), (153, 1411760), (168, 1285710), (170, 1270584), (180, 1199996), (204, 1058820), (210, 1028568), (238, 907560), (240, 899997), (252, 857140), (255, 847056), (272, 794115), (280, 771426), (306, 705880), (315, 685712), (336, 642855), (340, 635292), (357, 605040), (360, 599998), (408, 529410), (420, 514284), (476, 453780), (504, 428570), (510, 423528), (560, 385713), (595, 363024), (612, 352940), (630, 342856), (680, 317646), (714, 302520), (720, 299999), (765, 282352), (816, 264705), (840, 257142), (952, 226890), (1008, 214285), (1020, 211764), (1071, 201680), (1190, 181512), (1224, 176470), (1260, 171428), (1360, 158823), (1428, 151260), (1530, 141176), (1680, 128571), (1785, 121008), (1904, 113445), (2040, 105882), (2142, 100840), (2380, 90756), (2448, 88235), (2520, 85714), (2521, 85680), (2856, 75630), (3060, 70588), (3570, 60504), (4080, 52941), (4284, 50420), (4760, 45378), (5040, 42857), (5042, 42840), (5355, 40336), (5712, 37815), (6120, 35294), (7140, 30252), (7563, 28560), (8568, 25210), (9520, 22689), (10084, 21420), (10710, 20168), (12240, 17647), (12605, 17136), (14280, 15126)]