820591380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{227}}^1$

素因数の和:419

約数の個数: 288

約数和(自身を含む): 3027548160

約数和(自身を除く): 2206956780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 151, 171, 180, 190, 210, 227, 228, 252, 266, 285, 302, 315, 342, 380, 399, 420, 453, 454, 532, 570, 604, 630, 665, 681, 684, 755, 798, 855, 906, 908, 1057, 1135, 1140, 1197, 1260, 1330, 1359, 1362, 1510, 1589, 1596, 1710, 1812, 1995, 2043, 2114, 2265, 2270, 2394, 2660, 2718, 2724, 2869, 3020, 3171, 3178, 3405, 3420, 3990, 4086, 4228, 4313, 4530, 4540, 4767, 4788, 5285, 5436, 5738, 5985, 6342, 6356, 6795, 6810, 7945, 7980, 8172, 8607, 8626, 9060, 9513, 9534, 10215, 10570, 11476, 11970, 12684, 12939, 13590, 13620, 14301, 14345, 15855, 15890, 17214, 17252, 19026, 19068, 20083, 20430, 21140, 21565, 23835, 23940, 25821, 25878, 27180, 28602, 28690, 30191, 31710, 31780, 34277, 34428, 38052, 38817, 40166, 40860, 43035, 43130, 47565, 47670, 51642, 51756, 57204, 57380, 60249, 60382, 63420, 64695, 68554, 71505, 77634, 80332, 86070, 86260, 90573, 95130, 95340, 100415, 102831, 103284, 120498, 120764, 129105, 129390, 137108, 143010, 150955, 155268, 171385, 172140, 180747, 181146, 190260, 194085, 200830, 205662, 239939, 240996, 258210, 258780, 271719, 286020, 301245, 301910, 308493, 342770, 361494, 362292, 388170, 401660, 411324, 452865, 479878, 514155, 516420, 543438, 602490, 603820, 616986, 651263, 685540, 719817, 722988, 776340, 903735, 905730, 959756, 1028310, 1086876, 1199695, 1204980, 1233972, 1302526, 1358595, 1439634, 1542465, 1807470, 1811460, 1953789, 2056620, 2159451, 2399390, 2605052, 2717190, 2879268, 3084930, 3256315, 3599085, 3614940, 3907578, 4318902, 4558841, 4798780, 5434380, 5861367, 6169860, 6512630, 7198170, 7815156, 8637804, 9117682, 9768945, 10797255, 11722734, 13025260, 13676523, 14396340, 18235364, 19537890, 21594510, 22794205, 23445468, 27353046, 29306835, 39075780, 41029569, 43189020, 45588410, 54706092, 58613670, 68382615, 82059138, 91176820, 117227340, 136765230, 164118276, 205147845, 273530460, 410295690, 820591380]

約数ペア:

[(1, 820591380), (2, 410295690), (3, 273530460), (4, 205147845), (5, 164118276), (6, 136765230), (7, 117227340), (9, 91176820), (10, 82059138), (12, 68382615), (14, 58613670), (15, 54706092), (18, 45588410), (19, 43189020), (20, 41029569), (21, 39075780), (28, 29306835), (30, 27353046), (35, 23445468), (36, 22794205), (38, 21594510), (42, 19537890), (45, 18235364), (57, 14396340), (60, 13676523), (63, 13025260), (70, 11722734), (76, 10797255), (84, 9768945), (90, 9117682), (95, 8637804), (105, 7815156), (114, 7198170), (126, 6512630), (133, 6169860), (140, 5861367), (151, 5434380), (171, 4798780), (180, 4558841), (190, 4318902), (210, 3907578), (227, 3614940), (228, 3599085), (252, 3256315), (266, 3084930), (285, 2879268), (302, 2717190), (315, 2605052), (342, 2399390), (380, 2159451), (399, 2056620), (420, 1953789), (453, 1811460), (454, 1807470), (532, 1542465), (570, 1439634), (604, 1358595), (630, 1302526), (665, 1233972), (681, 1204980), (684, 1199695), (755, 1086876), (798, 1028310), (855, 959756), (906, 905730), (908, 903735), (1057, 776340), (1135, 722988), (1140, 719817), (1197, 685540), (1260, 651263), (1330, 616986), (1359, 603820), (1362, 602490), (1510, 543438), (1589, 516420), (1596, 514155), (1710, 479878), (1812, 452865), (1995, 411324), (2043, 401660), (2114, 388170), (2265, 362292), (2270, 361494), (2394, 342770), (2660, 308493), (2718, 301910), (2724, 301245), (2869, 286020), (3020, 271719), (3171, 258780), (3178, 258210), (3405, 240996), (3420, 239939), (3990, 205662), (4086, 200830), (4228, 194085), (4313, 190260), (4530, 181146), (4540, 180747), (4767, 172140), (4788, 171385), (5285, 155268), (5436, 150955), (5738, 143010), (5985, 137108), (6342, 129390), (6356, 129105), (6795, 120764), (6810, 120498), (7945, 103284), (7980, 102831), (8172, 100415), (8607, 95340), (8626, 95130), (9060, 90573), (9513, 86260), (9534, 86070), (10215, 80332), (10570, 77634), (11476, 71505), (11970, 68554), (12684, 64695), (12939, 63420), (13590, 60382), (13620, 60249), (14301, 57380), (14345, 57204), (15855, 51756), (15890, 51642), (17214, 47670), (17252, 47565), (19026, 43130), (19068, 43035), (20083, 40860), (20430, 40166), (21140, 38817), (21565, 38052), (23835, 34428), (23940, 34277), (25821, 31780), (25878, 31710), (27180, 30191), (28602, 28690)]