405917640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{659}}^1$

素因数の和:764

約数の個数: 192

約数和(自身を含む): 1389960000

約数和(自身を除く): 984042360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 29, 30, 36, 40, 45, 58, 59, 60, 72, 87, 90, 116, 118, 120, 145, 174, 177, 180, 232, 236, 261, 290, 295, 348, 354, 360, 435, 472, 522, 531, 580, 590, 659, 696, 708, 870, 885, 1044, 1062, 1160, 1180, 1305, 1318, 1416, 1711, 1740, 1770, 1977, 2088, 2124, 2360, 2610, 2636, 2655, 3295, 3422, 3480, 3540, 3954, 4248, 5133, 5220, 5272, 5310, 5931, 6590, 6844, 7080, 7908, 8555, 9885, 10266, 10440, 10620, 11862, 13180, 13688, 15399, 15816, 17110, 19111, 19770, 20532, 21240, 23724, 25665, 26360, 29655, 30798, 34220, 38222, 38881, 39540, 41064, 47448, 51330, 57333, 59310, 61596, 68440, 76444, 76995, 77762, 79080, 95555, 102660, 114666, 116643, 118620, 123192, 152888, 153990, 155524, 171999, 191110, 194405, 205320, 229332, 233286, 237240, 286665, 307980, 311048, 343998, 349929, 382220, 388810, 458664, 466572, 573330, 583215, 615960, 687996, 699858, 764440, 777620, 859995, 933144, 1127549, 1146660, 1166430, 1375992, 1399716, 1555240, 1719990, 1749645, 2255098, 2293320, 2332860, 2799432, 3382647, 3439980, 3499290, 4510196, 4665720, 5637745, 6765294, 6879960, 6998580, 9020392, 10147941, 11275490, 13530588, 13997160, 16913235, 20295882, 22550980, 27061176, 33826470, 40591764, 45101960, 50739705, 67652940, 81183528, 101479410, 135305880, 202958820, 405917640]

約数ペア:

[(1, 405917640), (2, 202958820), (3, 135305880), (4, 101479410), (5, 81183528), (6, 67652940), (8, 50739705), (9, 45101960), (10, 40591764), (12, 33826470), (15, 27061176), (18, 22550980), (20, 20295882), (24, 16913235), (29, 13997160), (30, 13530588), (36, 11275490), (40, 10147941), (45, 9020392), (58, 6998580), (59, 6879960), (60, 6765294), (72, 5637745), (87, 4665720), (90, 4510196), (116, 3499290), (118, 3439980), (120, 3382647), (145, 2799432), (174, 2332860), (177, 2293320), (180, 2255098), (232, 1749645), (236, 1719990), (261, 1555240), (290, 1399716), (295, 1375992), (348, 1166430), (354, 1146660), (360, 1127549), (435, 933144), (472, 859995), (522, 777620), (531, 764440), (580, 699858), (590, 687996), (659, 615960), (696, 583215), (708, 573330), (870, 466572), (885, 458664), (1044, 388810), (1062, 382220), (1160, 349929), (1180, 343998), (1305, 311048), (1318, 307980), (1416, 286665), (1711, 237240), (1740, 233286), (1770, 229332), (1977, 205320), (2088, 194405), (2124, 191110), (2360, 171999), (2610, 155524), (2636, 153990), (2655, 152888), (3295, 123192), (3422, 118620), (3480, 116643), (3540, 114666), (3954, 102660), (4248, 95555), (5133, 79080), (5220, 77762), (5272, 76995), (5310, 76444), (5931, 68440), (6590, 61596), (6844, 59310), (7080, 57333), (7908, 51330), (8555, 47448), (9885, 41064), (10266, 39540), (10440, 38881), (10620, 38222), (11862, 34220), (13180, 30798), (13688, 29655), (15399, 26360), (15816, 25665), (17110, 23724), (19111, 21240), (19770, 20532)]