781562080

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2$

素因数の和:130

約数の個数: 288

約数和(自身を含む): 2270140992

約数和(自身を除く): 1488578912

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 23, 26, 31, 32, 34, 40, 46, 52, 62, 65, 68, 80, 85, 92, 104, 115, 124, 130, 136, 155, 160, 170, 184, 208, 221, 230, 248, 260, 272, 299, 310, 340, 368, 391, 403, 416, 442, 460, 496, 520, 527, 544, 598, 620, 680, 713, 736, 782, 806, 884, 920, 961, 992, 1040, 1054, 1105, 1196, 1240, 1360, 1426, 1495, 1564, 1612, 1768, 1840, 1922, 1955, 2015, 2080, 2108, 2210, 2392, 2480, 2635, 2720, 2852, 2990, 3128, 3224, 3536, 3565, 3680, 3844, 3910, 4030, 4216, 4420, 4784, 4805, 4960, 5083, 5270, 5704, 5980, 6256, 6448, 6851, 7072, 7130, 7688, 7820, 8060, 8432, 8840, 9269, 9568, 9610, 10166, 10540, 11408, 11960, 12121, 12493, 12512, 12896, 13702, 14260, 15376, 15640, 16120, 16337, 16864, 17680, 18538, 19220, 20332, 21080, 22103, 22816, 23920, 24242, 24986, 25415, 27404, 28520, 30752, 31280, 32240, 32674, 34255, 35360, 37076, 38440, 40664, 42160, 44206, 46345, 47840, 48484, 49972, 50830, 54808, 57040, 60605, 62465, 62560, 64480, 65348, 68510, 74152, 76880, 81328, 81685, 84320, 88412, 92690, 96968, 99944, 101660, 109616, 110515, 114080, 121210, 124930, 130696, 137020, 148304, 153760, 157573, 162656, 163370, 176824, 185380, 193936, 199888, 203320, 212381, 219232, 221030, 242420, 249860, 261392, 274040, 287339, 296608, 315146, 326740, 353648, 370760, 375751, 387872, 399776, 406640, 424762, 442060, 484840, 499720, 522784, 548080, 574678, 630292, 653480, 707296, 741520, 751502, 787865, 813280, 849524, 884120, 969680, 999440, 1061905, 1096160, 1149356, 1260584, 1306960, 1436695, 1483040, 1503004, 1575730, 1699048, 1768240, 1878755, 1939360, 1998880, 2123810, 2298712, 2521168, 2613920, 2873390, 3006008, 3151460, 3398096, 3536480, 3757510, 4247620, 4597424, 4884763, 5042336, 5746780, 6012016, 6302920, 6796192, 7515020, 8495240, 9194848, 9769526, 11493560, 12024032, 12605840, 15030040, 16990480, 19539052, 22987120, 24423815, 25211680, 30060080, 33980960, 39078104, 45974240, 48847630, 60120160, 78156208, 97695260, 156312416, 195390520, 390781040, 781562080]

約数ペア:

[(1, 781562080), (2, 390781040), (4, 195390520), (5, 156312416), (8, 97695260), (10, 78156208), (13, 60120160), (16, 48847630), (17, 45974240), (20, 39078104), (23, 33980960), (26, 30060080), (31, 25211680), (32, 24423815), (34, 22987120), (40, 19539052), (46, 16990480), (52, 15030040), (62, 12605840), (65, 12024032), (68, 11493560), (80, 9769526), (85, 9194848), (92, 8495240), (104, 7515020), (115, 6796192), (124, 6302920), (130, 6012016), (136, 5746780), (155, 5042336), (160, 4884763), (170, 4597424), (184, 4247620), (208, 3757510), (221, 3536480), (230, 3398096), (248, 3151460), (260, 3006008), (272, 2873390), (299, 2613920), (310, 2521168), (340, 2298712), (368, 2123810), (391, 1998880), (403, 1939360), (416, 1878755), (442, 1768240), (460, 1699048), (496, 1575730), (520, 1503004), (527, 1483040), (544, 1436695), (598, 1306960), (620, 1260584), (680, 1149356), (713, 1096160), (736, 1061905), (782, 999440), (806, 969680), (884, 884120), (920, 849524), (961, 813280), (992, 787865), (1040, 751502), (1054, 741520), (1105, 707296), (1196, 653480), (1240, 630292), (1360, 574678), (1426, 548080), (1495, 522784), (1564, 499720), (1612, 484840), (1768, 442060), (1840, 424762), (1922, 406640), (1955, 399776), (2015, 387872), (2080, 375751), (2108, 370760), (2210, 353648), (2392, 326740), (2480, 315146), (2635, 296608), (2720, 287339), (2852, 274040), (2990, 261392), (3128, 249860), (3224, 242420), (3536, 221030), (3565, 219232), (3680, 212381), (3844, 203320), (3910, 199888), (4030, 193936), (4216, 185380), (4420, 176824), (4784, 163370), (4805, 162656), (4960, 157573), (5083, 153760), (5270, 148304), (5704, 137020), (5980, 130696), (6256, 124930), (6448, 121210), (6851, 114080), (7072, 110515), (7130, 109616), (7688, 101660), (7820, 99944), (8060, 96968), (8432, 92690), (8840, 88412), (9269, 84320), (9568, 81685), (9610, 81328), (10166, 76880), (10540, 74152), (11408, 68510), (11960, 65348), (12121, 64480), (12493, 62560), (12512, 62465), (12896, 60605), (13702, 57040), (14260, 54808), (15376, 50830), (15640, 49972), (16120, 48484), (16337, 47840), (16864, 46345), (17680, 44206), (18538, 42160), (19220, 40664), (20332, 38440), (21080, 37076), (22103, 35360), (22816, 34255), (23920, 32674), (24242, 32240), (24986, 31280), (25415, 30752), (27404, 28520)]