161640780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{577}}^1$

素因数の和:648

約数の個数: 192

約数和(自身を含む): 559319040

約数和(自身を除く): 397678260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 29, 30, 35, 42, 46, 58, 60, 69, 70, 84, 87, 92, 105, 115, 116, 138, 140, 145, 161, 174, 203, 210, 230, 276, 290, 322, 345, 348, 406, 420, 435, 460, 483, 577, 580, 609, 644, 667, 690, 805, 812, 870, 966, 1015, 1154, 1218, 1334, 1380, 1610, 1731, 1740, 1932, 2001, 2030, 2308, 2415, 2436, 2668, 2885, 3045, 3220, 3335, 3462, 4002, 4039, 4060, 4669, 4830, 5770, 6090, 6670, 6924, 8004, 8078, 8655, 9338, 9660, 10005, 11540, 12117, 12180, 13271, 13340, 14007, 16156, 16733, 17310, 18676, 20010, 20195, 23345, 24234, 26542, 28014, 33466, 34620, 39813, 40020, 40390, 46690, 48468, 50199, 53084, 56028, 60585, 66355, 66932, 70035, 79626, 80780, 83665, 92897, 93380, 100398, 117131, 121170, 132710, 140070, 159252, 167330, 185794, 199065, 200796, 234262, 242340, 250995, 265420, 278691, 280140, 334660, 351393, 371588, 384859, 398130, 464485, 468524, 501990, 557382, 585655, 702786, 769718, 796260, 928970, 1003980, 1114764, 1154577, 1171310, 1393455, 1405572, 1539436, 1756965, 1857940, 1924295, 2309154, 2342620, 2694013, 2786910, 3513930, 3848590, 4618308, 5388026, 5573820, 5772885, 7027860, 7697180, 8082039, 10776052, 11545770, 13470065, 16164078, 23091540, 26940130, 32328156, 40410195, 53880260, 80820390, 161640780]

約数ペア:

[(1, 161640780), (2, 80820390), (3, 53880260), (4, 40410195), (5, 32328156), (6, 26940130), (7, 23091540), (10, 16164078), (12, 13470065), (14, 11545770), (15, 10776052), (20, 8082039), (21, 7697180), (23, 7027860), (28, 5772885), (29, 5573820), (30, 5388026), (35, 4618308), (42, 3848590), (46, 3513930), (58, 2786910), (60, 2694013), (69, 2342620), (70, 2309154), (84, 1924295), (87, 1857940), (92, 1756965), (105, 1539436), (115, 1405572), (116, 1393455), (138, 1171310), (140, 1154577), (145, 1114764), (161, 1003980), (174, 928970), (203, 796260), (210, 769718), (230, 702786), (276, 585655), (290, 557382), (322, 501990), (345, 468524), (348, 464485), (406, 398130), (420, 384859), (435, 371588), (460, 351393), (483, 334660), (577, 280140), (580, 278691), (609, 265420), (644, 250995), (667, 242340), (690, 234262), (805, 200796), (812, 199065), (870, 185794), (966, 167330), (1015, 159252), (1154, 140070), (1218, 132710), (1334, 121170), (1380, 117131), (1610, 100398), (1731, 93380), (1740, 92897), (1932, 83665), (2001, 80780), (2030, 79626), (2308, 70035), (2415, 66932), (2436, 66355), (2668, 60585), (2885, 56028), (3045, 53084), (3220, 50199), (3335, 48468), (3462, 46690), (4002, 40390), (4039, 40020), (4060, 39813), (4669, 34620), (4830, 33466), (5770, 28014), (6090, 26542), (6670, 24234), (6924, 23345), (8004, 20195), (8078, 20010), (8655, 18676), (9338, 17310), (9660, 16733), (10005, 16156), (11540, 14007), (12117, 13340), (12180, 13271)]