144491620

素因数分解:

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

素因数の和:270

約数の個数: 144

約数和(自身を含む): 389587968

約数和(自身を除く): 245096348

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 52, 62, 65, 70, 91, 124, 130, 140, 155, 169, 182, 197, 217, 260, 310, 338, 364, 394, 403, 434, 455, 620, 676, 788, 806, 845, 868, 910, 985, 1085, 1183, 1379, 1612, 1690, 1820, 1970, 2015, 2170, 2366, 2561, 2758, 2821, 3380, 3940, 4030, 4340, 4732, 5122, 5239, 5516, 5642, 5915, 6107, 6895, 8060, 10244, 10478, 11284, 11830, 12214, 12805, 13790, 14105, 17927, 20956, 23660, 24428, 25610, 26195, 27580, 28210, 30535, 33293, 35854, 36673, 42749, 51220, 52390, 56420, 61070, 66586, 71708, 73346, 79391, 85498, 89635, 104780, 122140, 133172, 146692, 158782, 166465, 170996, 179270, 183365, 213745, 233051, 317564, 332930, 358540, 366730, 396955, 427490, 466102, 555737, 665860, 733460, 793910, 854980, 932204, 1032083, 1111474, 1165255, 1587820, 2064166, 2222948, 2330510, 2778685, 4128332, 4661020, 5160415, 5557370, 7224581, 10320830, 11114740, 14449162, 20641660, 28898324, 36122905, 72245810, 144491620]

約数ペア:

[(1, 144491620), (2, 72245810), (4, 36122905), (5, 28898324), (7, 20641660), (10, 14449162), (13, 11114740), (14, 10320830), (20, 7224581), (26, 5557370), (28, 5160415), (31, 4661020), (35, 4128332), (52, 2778685), (62, 2330510), (65, 2222948), (70, 2064166), (91, 1587820), (124, 1165255), (130, 1111474), (140, 1032083), (155, 932204), (169, 854980), (182, 793910), (197, 733460), (217, 665860), (260, 555737), (310, 466102), (338, 427490), (364, 396955), (394, 366730), (403, 358540), (434, 332930), (455, 317564), (620, 233051), (676, 213745), (788, 183365), (806, 179270), (845, 170996), (868, 166465), (910, 158782), (985, 146692), (1085, 133172), (1183, 122140), (1379, 104780), (1612, 89635), (1690, 85498), (1820, 79391), (1970, 73346), (2015, 71708), (2170, 66586), (2366, 61070), (2561, 56420), (2758, 52390), (2821, 51220), (3380, 42749), (3940, 36673), (4030, 35854), (4340, 33293), (4732, 30535), (5122, 28210), (5239, 27580), (5516, 26195), (5642, 25610), (5915, 24428), (6107, 23660), (6895, 20956), (8060, 17927), (10244, 14105), (10478, 13790), (11284, 12805), (11830, 12214)]