40940640

素因数分解:

$2^5\times 3^9\times 5^1\times {\mathrm{13}}^1$

素因数の和:55

約数の個数: 240

約数和(自身を含む): 156241008

約数和(自身を除く): 115300368

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 162, 180, 195, 208, 216, 234, 240, 243, 260, 270, 288, 312, 324, 351, 360, 390, 405, 416, 432, 468, 480, 486, 520, 540, 585, 624, 648, 702, 720, 729, 780, 810, 864, 936, 972, 1040, 1053, 1080, 1170, 1215, 1248, 1296, 1404, 1440, 1458, 1560, 1620, 1755, 1872, 1944, 2080, 2106, 2160, 2187, 2340, 2430, 2592, 2808, 2916, 3120, 3159, 3240, 3510, 3645, 3744, 3888, 4212, 4320, 4374, 4680, 4860, 5265, 5616, 5832, 6240, 6318, 6480, 6561, 7020, 7290, 7776, 8424, 8748, 9360, 9477, 9720, 10530, 10935, 11232, 11664, 12636, 12960, 13122, 14040, 14580, 15795, 16848, 17496, 18720, 18954, 19440, 19683, 21060, 21870, 23328, 25272, 26244, 28080, 28431, 29160, 31590, 32805, 33696, 34992, 37908, 38880, 39366, 42120, 43740, 47385, 50544, 52488, 56160, 56862, 58320, 63180, 65610, 69984, 75816, 78732, 84240, 85293, 87480, 94770, 98415, 101088, 104976, 113724, 116640, 126360, 131220, 142155, 151632, 157464, 168480, 170586, 174960, 189540, 196830, 209952, 227448, 252720, 255879, 262440, 284310, 303264, 314928, 341172, 349920, 379080, 393660, 426465, 454896, 505440, 511758, 524880, 568620, 629856, 682344, 758160, 787320, 852930, 909792, 1023516, 1049760, 1137240, 1279395, 1364688, 1516320, 1574640, 1705860, 2047032, 2274480, 2558790, 2729376, 3149280, 3411720, 4094064, 4548960, 5117580, 6823440, 8188128, 10235160, 13646880, 20470320, 40940640]

約数ペア:

[(1, 40940640), (2, 20470320), (3, 13646880), (4, 10235160), (5, 8188128), (6, 6823440), (8, 5117580), (9, 4548960), (10, 4094064), (12, 3411720), (13, 3149280), (15, 2729376), (16, 2558790), (18, 2274480), (20, 2047032), (24, 1705860), (26, 1574640), (27, 1516320), (30, 1364688), (32, 1279395), (36, 1137240), (39, 1049760), (40, 1023516), (45, 909792), (48, 852930), (52, 787320), (54, 758160), (60, 682344), (65, 629856), (72, 568620), (78, 524880), (80, 511758), (81, 505440), (90, 454896), (96, 426465), (104, 393660), (108, 379080), (117, 349920), (120, 341172), (130, 314928), (135, 303264), (144, 284310), (156, 262440), (160, 255879), (162, 252720), (180, 227448), (195, 209952), (208, 196830), (216, 189540), (234, 174960), (240, 170586), (243, 168480), (260, 157464), (270, 151632), (288, 142155), (312, 131220), (324, 126360), (351, 116640), (360, 113724), (390, 104976), (405, 101088), (416, 98415), (432, 94770), (468, 87480), (480, 85293), (486, 84240), (520, 78732), (540, 75816), (585, 69984), (624, 65610), (648, 63180), (702, 58320), (720, 56862), (729, 56160), (780, 52488), (810, 50544), (864, 47385), (936, 43740), (972, 42120), (1040, 39366), (1053, 38880), (1080, 37908), (1170, 34992), (1215, 33696), (1248, 32805), (1296, 31590), (1404, 29160), (1440, 28431), (1458, 28080), (1560, 26244), (1620, 25272), (1755, 23328), (1872, 21870), (1944, 21060), (2080, 19683), (2106, 19440), (2160, 18954), (2187, 18720), (2340, 17496), (2430, 16848), (2592, 15795), (2808, 14580), (2916, 14040), (3120, 13122), (3159, 12960), (3240, 12636), (3510, 11664), (3645, 11232), (3744, 10935), (3888, 10530), (4212, 9720), (4320, 9477), (4374, 9360), (4680, 8748), (4860, 8424), (5265, 7776), (5616, 7290), (5832, 7020), (6240, 6561), (6318, 6480)]