1974386280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{12343}}^1$

素因数の和:12431

約数の個数: 128

約数和(自身を含む): 6256926720

約数和(自身を除く): 4282540440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 43, 60, 62, 86, 93, 120, 124, 129, 155, 172, 186, 215, 248, 258, 310, 344, 372, 430, 465, 516, 620, 645, 744, 860, 930, 1032, 1240, 1290, 1333, 1720, 1860, 2580, 2666, 3720, 3999, 5160, 5332, 6665, 7998, 10664, 12343, 13330, 15996, 19995, 24686, 26660, 31992, 37029, 39990, 49372, 53320, 61715, 74058, 79980, 98744, 123430, 148116, 159960, 185145, 246860, 296232, 370290, 382633, 493720, 530749, 740580, 765266, 1061498, 1147899, 1481160, 1530532, 1592247, 1913165, 2122996, 2295798, 2653745, 3061064, 3184494, 3826330, 4245992, 4591596, 5307490, 5739495, 6368988, 7652660, 7961235, 9183192, 10614980, 11478990, 12737976, 15305320, 15922470, 16453219, 21229960, 22957980, 31844940, 32906438, 45915960, 49359657, 63689880, 65812876, 82266095, 98719314, 131625752, 164532190, 197438628, 246798285, 329064380, 394877256, 493596570, 658128760, 987193140, 1974386280]

約数ペア:

[(1, 1974386280), (2, 987193140), (3, 658128760), (4, 493596570), (5, 394877256), (6, 329064380), (8, 246798285), (10, 197438628), (12, 164532190), (15, 131625752), (20, 98719314), (24, 82266095), (30, 65812876), (31, 63689880), (40, 49359657), (43, 45915960), (60, 32906438), (62, 31844940), (86, 22957980), (93, 21229960), (120, 16453219), (124, 15922470), (129, 15305320), (155, 12737976), (172, 11478990), (186, 10614980), (215, 9183192), (248, 7961235), (258, 7652660), (310, 6368988), (344, 5739495), (372, 5307490), (430, 4591596), (465, 4245992), (516, 3826330), (620, 3184494), (645, 3061064), (744, 2653745), (860, 2295798), (930, 2122996), (1032, 1913165), (1240, 1592247), (1290, 1530532), (1333, 1481160), (1720, 1147899), (1860, 1061498), (2580, 765266), (2666, 740580), (3720, 530749), (3999, 493720), (5160, 382633), (5332, 370290), (6665, 296232), (7998, 246860), (10664, 185145), (12343, 159960), (13330, 148116), (15996, 123430), (19995, 98744), (24686, 79980), (26660, 74058), (31992, 61715), (37029, 53320), (39990, 49372)]