78021900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:142

約数の個数: 288

約数和(自身を含む): 284981760

約数和(自身を除く): 206959860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 27, 30, 33, 36, 37, 44, 45, 50, 54, 55, 60, 66, 71, 74, 75, 90, 99, 100, 108, 110, 111, 132, 135, 142, 148, 150, 165, 180, 185, 198, 213, 220, 222, 225, 270, 275, 284, 297, 300, 330, 333, 355, 370, 396, 407, 426, 444, 450, 495, 540, 550, 555, 594, 639, 660, 666, 675, 710, 740, 781, 814, 825, 852, 900, 925, 990, 999, 1065, 1100, 1110, 1188, 1221, 1278, 1332, 1350, 1420, 1485, 1562, 1628, 1650, 1665, 1775, 1850, 1917, 1980, 1998, 2035, 2130, 2220, 2343, 2442, 2475, 2556, 2627, 2700, 2775, 2970, 3124, 3195, 3300, 3330, 3550, 3663, 3700, 3834, 3905, 3996, 4070, 4260, 4686, 4884, 4950, 4995, 5254, 5325, 5550, 5940, 6105, 6390, 6660, 7029, 7100, 7326, 7425, 7668, 7810, 7881, 8140, 8325, 9372, 9585, 9900, 9990, 10175, 10508, 10650, 10989, 11100, 11715, 12210, 12780, 13135, 14058, 14652, 14850, 15620, 15762, 15975, 16650, 18315, 19170, 19525, 19980, 20350, 21087, 21300, 21978, 23430, 23643, 24420, 24975, 26270, 28116, 28897, 29700, 30525, 31524, 31950, 33300, 35145, 36630, 38340, 39050, 39405, 40700, 42174, 43956, 46860, 47286, 47925, 49950, 52540, 54945, 57794, 58575, 61050, 63900, 65675, 70290, 70929, 73260, 78100, 78810, 84348, 86691, 91575, 94572, 95850, 99900, 105435, 109890, 115588, 117150, 118215, 122100, 131350, 140580, 141858, 144485, 157620, 173382, 175725, 183150, 191700, 197025, 210870, 219780, 234300, 236430, 260073, 262700, 274725, 283716, 288970, 346764, 351450, 354645, 366300, 394050, 421740, 433455, 472860, 520146, 527175, 549450, 577940, 591075, 702900, 709290, 722425, 780219, 788100, 866910, 1040292, 1054350, 1098900, 1182150, 1300365, 1418580, 1444850, 1560438, 1733820, 1773225, 2108700, 2167275, 2364300, 2600730, 2889700, 3120876, 3546450, 3901095, 4334550, 5201460, 6501825, 7092900, 7802190, 8669100, 13003650, 15604380, 19505475, 26007300, 39010950, 78021900]

約数ペア:

[(1, 78021900), (2, 39010950), (3, 26007300), (4, 19505475), (5, 15604380), (6, 13003650), (9, 8669100), (10, 7802190), (11, 7092900), (12, 6501825), (15, 5201460), (18, 4334550), (20, 3901095), (22, 3546450), (25, 3120876), (27, 2889700), (30, 2600730), (33, 2364300), (36, 2167275), (37, 2108700), (44, 1773225), (45, 1733820), (50, 1560438), (54, 1444850), (55, 1418580), (60, 1300365), (66, 1182150), (71, 1098900), (74, 1054350), (75, 1040292), (90, 866910), (99, 788100), (100, 780219), (108, 722425), (110, 709290), (111, 702900), (132, 591075), (135, 577940), (142, 549450), (148, 527175), (150, 520146), (165, 472860), (180, 433455), (185, 421740), (198, 394050), (213, 366300), (220, 354645), (222, 351450), (225, 346764), (270, 288970), (275, 283716), (284, 274725), (297, 262700), (300, 260073), (330, 236430), (333, 234300), (355, 219780), (370, 210870), (396, 197025), (407, 191700), (426, 183150), (444, 175725), (450, 173382), (495, 157620), (540, 144485), (550, 141858), (555, 140580), (594, 131350), (639, 122100), (660, 118215), (666, 117150), (675, 115588), (710, 109890), (740, 105435), (781, 99900), (814, 95850), (825, 94572), (852, 91575), (900, 86691), (925, 84348), (990, 78810), (999, 78100), (1065, 73260), (1100, 70929), (1110, 70290), (1188, 65675), (1221, 63900), (1278, 61050), (1332, 58575), (1350, 57794), (1420, 54945), (1485, 52540), (1562, 49950), (1628, 47925), (1650, 47286), (1665, 46860), (1775, 43956), (1850, 42174), (1917, 40700), (1980, 39405), (1998, 39050), (2035, 38340), (2130, 36630), (2220, 35145), (2343, 33300), (2442, 31950), (2475, 31524), (2556, 30525), (2627, 29700), (2700, 28897), (2775, 28116), (2970, 26270), (3124, 24975), (3195, 24420), (3300, 23643), (3330, 23430), (3550, 21978), (3663, 21300), (3700, 21087), (3834, 20350), (3905, 19980), (3996, 19525), (4070, 19170), (4260, 18315), (4686, 16650), (4884, 15975), (4950, 15762), (4995, 15620), (5254, 14850), (5325, 14652), (5550, 14058), (5940, 13135), (6105, 12780), (6390, 12210), (6660, 11715), (7029, 11100), (7100, 10989), (7326, 10650), (7425, 10508), (7668, 10175), (7810, 9990), (7881, 9900), (8140, 9585), (8325, 9372)]