155606360

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:266

約数の個数: 192

約数和(自身を含む): 455051520

約数和(自身を除く): 299445160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 49, 52, 56, 62, 65, 70, 91, 98, 104, 124, 130, 140, 155, 182, 196, 197, 217, 245, 248, 260, 280, 310, 364, 392, 394, 403, 434, 455, 490, 520, 620, 637, 728, 788, 806, 868, 910, 980, 985, 1085, 1240, 1274, 1379, 1519, 1576, 1612, 1736, 1820, 1960, 1970, 2015, 2170, 2548, 2561, 2758, 2821, 3038, 3185, 3224, 3640, 3940, 4030, 4340, 5096, 5122, 5516, 5642, 6076, 6107, 6370, 6895, 7595, 7880, 8060, 8680, 9653, 10244, 11032, 11284, 12152, 12214, 12740, 12805, 13790, 14105, 15190, 16120, 17927, 19306, 19747, 20488, 22568, 24428, 25480, 25610, 27580, 28210, 30380, 30535, 35854, 38612, 39494, 42749, 48265, 48856, 51220, 55160, 56420, 60760, 61070, 71708, 77224, 78988, 79391, 85498, 89635, 96530, 98735, 102440, 112840, 122140, 125489, 143416, 157976, 158782, 170996, 179270, 193060, 197470, 213745, 244280, 250978, 299243, 317564, 341992, 358540, 386120, 394940, 396955, 427490, 501956, 555737, 598486, 627445, 635128, 717080, 789880, 793910, 854980, 1003912, 1111474, 1196972, 1254890, 1496215, 1587820, 1709960, 2222948, 2393944, 2509780, 2778685, 2992430, 3175640, 3890159, 4445896, 5019560, 5557370, 5984860, 7780318, 11114740, 11969720, 15560636, 19450795, 22229480, 31121272, 38901590, 77803180, 155606360]

約数ペア:

[(1, 155606360), (2, 77803180), (4, 38901590), (5, 31121272), (7, 22229480), (8, 19450795), (10, 15560636), (13, 11969720), (14, 11114740), (20, 7780318), (26, 5984860), (28, 5557370), (31, 5019560), (35, 4445896), (40, 3890159), (49, 3175640), (52, 2992430), (56, 2778685), (62, 2509780), (65, 2393944), (70, 2222948), (91, 1709960), (98, 1587820), (104, 1496215), (124, 1254890), (130, 1196972), (140, 1111474), (155, 1003912), (182, 854980), (196, 793910), (197, 789880), (217, 717080), (245, 635128), (248, 627445), (260, 598486), (280, 555737), (310, 501956), (364, 427490), (392, 396955), (394, 394940), (403, 386120), (434, 358540), (455, 341992), (490, 317564), (520, 299243), (620, 250978), (637, 244280), (728, 213745), (788, 197470), (806, 193060), (868, 179270), (910, 170996), (980, 158782), (985, 157976), (1085, 143416), (1240, 125489), (1274, 122140), (1379, 112840), (1519, 102440), (1576, 98735), (1612, 96530), (1736, 89635), (1820, 85498), (1960, 79391), (1970, 78988), (2015, 77224), (2170, 71708), (2548, 61070), (2561, 60760), (2758, 56420), (2821, 55160), (3038, 51220), (3185, 48856), (3224, 48265), (3640, 42749), (3940, 39494), (4030, 38612), (4340, 35854), (5096, 30535), (5122, 30380), (5516, 28210), (5642, 27580), (6076, 25610), (6107, 25480), (6370, 24428), (6895, 22568), (7595, 20488), (7880, 19747), (8060, 19306), (8680, 17927), (9653, 16120), (10244, 15190), (11032, 14105), (11284, 13790), (12152, 12805), (12214, 12740)]