81542880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3331}}^1$

素因数の和:3369

約数の個数: 144

約数和(自身を含む): 294722064

約数和(自身を除く): 213179184

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 96, 102, 120, 136, 144, 153, 160, 170, 180, 204, 240, 255, 272, 288, 306, 340, 360, 408, 480, 510, 544, 612, 680, 720, 765, 816, 1020, 1224, 1360, 1440, 1530, 1632, 2040, 2448, 2720, 3060, 3331, 4080, 4896, 6120, 6662, 8160, 9993, 12240, 13324, 16655, 19986, 24480, 26648, 29979, 33310, 39972, 49965, 53296, 56627, 59958, 66620, 79944, 99930, 106592, 113254, 119916, 133240, 149895, 159888, 169881, 199860, 226508, 239832, 266480, 283135, 299790, 319776, 339762, 399720, 453016, 479664, 509643, 532960, 566270, 599580, 679524, 799440, 849405, 906032, 959328, 1019286, 1132540, 1199160, 1359048, 1598880, 1698810, 1812064, 2038572, 2265080, 2398320, 2548215, 2718096, 3397620, 4077144, 4530160, 4796640, 5096430, 5436192, 6795240, 8154288, 9060320, 10192860, 13590480, 16308576, 20385720, 27180960, 40771440, 81542880]

約数ペア:

[(1, 81542880), (2, 40771440), (3, 27180960), (4, 20385720), (5, 16308576), (6, 13590480), (8, 10192860), (9, 9060320), (10, 8154288), (12, 6795240), (15, 5436192), (16, 5096430), (17, 4796640), (18, 4530160), (20, 4077144), (24, 3397620), (30, 2718096), (32, 2548215), (34, 2398320), (36, 2265080), (40, 2038572), (45, 1812064), (48, 1698810), (51, 1598880), (60, 1359048), (68, 1199160), (72, 1132540), (80, 1019286), (85, 959328), (90, 906032), (96, 849405), (102, 799440), (120, 679524), (136, 599580), (144, 566270), (153, 532960), (160, 509643), (170, 479664), (180, 453016), (204, 399720), (240, 339762), (255, 319776), (272, 299790), (288, 283135), (306, 266480), (340, 239832), (360, 226508), (408, 199860), (480, 169881), (510, 159888), (544, 149895), (612, 133240), (680, 119916), (720, 113254), (765, 106592), (816, 99930), (1020, 79944), (1224, 66620), (1360, 59958), (1440, 56627), (1530, 53296), (1632, 49965), (2040, 39972), (2448, 33310), (2720, 29979), (3060, 26648), (3331, 24480), (4080, 19986), (4896, 16655), (6120, 13324), (6662, 12240), (8160, 9993)]