17998560

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{431}}^1$

素因数の和:481

約数の個数: 144

約数和(自身を含む): 63685440

約数和(自身を除く): 45686880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 32, 36, 40, 45, 48, 58, 60, 72, 80, 87, 90, 96, 116, 120, 144, 145, 160, 174, 180, 232, 240, 261, 288, 290, 348, 360, 431, 435, 464, 480, 522, 580, 696, 720, 862, 870, 928, 1044, 1160, 1293, 1305, 1392, 1440, 1724, 1740, 2088, 2155, 2320, 2586, 2610, 2784, 3448, 3480, 3879, 4176, 4310, 4640, 5172, 5220, 6465, 6896, 6960, 7758, 8352, 8620, 10344, 10440, 12499, 12930, 13792, 13920, 15516, 17240, 19395, 20688, 20880, 24998, 25860, 31032, 34480, 37497, 38790, 41376, 41760, 49996, 51720, 62064, 62495, 68960, 74994, 77580, 99992, 103440, 112491, 124128, 124990, 149988, 155160, 187485, 199984, 206880, 224982, 249980, 299976, 310320, 374970, 399968, 449964, 499960, 562455, 599952, 620640, 749940, 899928, 999920, 1124910, 1199904, 1499880, 1799856, 1999840, 2249820, 2999760, 3599712, 4499640, 5999520, 8999280, 17998560]

約数ペア:

[(1, 17998560), (2, 8999280), (3, 5999520), (4, 4499640), (5, 3599712), (6, 2999760), (8, 2249820), (9, 1999840), (10, 1799856), (12, 1499880), (15, 1199904), (16, 1124910), (18, 999920), (20, 899928), (24, 749940), (29, 620640), (30, 599952), (32, 562455), (36, 499960), (40, 449964), (45, 399968), (48, 374970), (58, 310320), (60, 299976), (72, 249980), (80, 224982), (87, 206880), (90, 199984), (96, 187485), (116, 155160), (120, 149988), (144, 124990), (145, 124128), (160, 112491), (174, 103440), (180, 99992), (232, 77580), (240, 74994), (261, 68960), (288, 62495), (290, 62064), (348, 51720), (360, 49996), (431, 41760), (435, 41376), (464, 38790), (480, 37497), (522, 34480), (580, 31032), (696, 25860), (720, 24998), (862, 20880), (870, 20688), (928, 19395), (1044, 17240), (1160, 15516), (1293, 13920), (1305, 13792), (1392, 12930), (1440, 12499), (1724, 10440), (1740, 10344), (2088, 8620), (2155, 8352), (2320, 7758), (2586, 6960), (2610, 6896), (2784, 6465), (3448, 5220), (3480, 5172), (3879, 4640), (4176, 4310)]