40796640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{691}}^1$

素因数の和:753

約数の個数: 144

約数和(自身を含む): 142820496

約数和(自身を除く): 102023856

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 41, 45, 48, 60, 72, 80, 82, 90, 96, 120, 123, 144, 160, 164, 180, 205, 240, 246, 288, 328, 360, 369, 410, 480, 492, 615, 656, 691, 720, 738, 820, 984, 1230, 1312, 1382, 1440, 1476, 1640, 1845, 1968, 2073, 2460, 2764, 2952, 3280, 3455, 3690, 3936, 4146, 4920, 5528, 5904, 6219, 6560, 6910, 7380, 8292, 9840, 10365, 11056, 11808, 12438, 13820, 14760, 16584, 19680, 20730, 22112, 24876, 27640, 28331, 29520, 31095, 33168, 41460, 49752, 55280, 56662, 59040, 62190, 66336, 82920, 84993, 99504, 110560, 113324, 124380, 141655, 165840, 169986, 199008, 226648, 248760, 254979, 283310, 331680, 339972, 424965, 453296, 497520, 509958, 566620, 679944, 849930, 906592, 995040, 1019916, 1133240, 1274895, 1359888, 1699860, 2039832, 2266480, 2549790, 2719776, 3399720, 4079664, 4532960, 5099580, 6799440, 8159328, 10199160, 13598880, 20398320, 40796640]

約数ペア:

[(1, 40796640), (2, 20398320), (3, 13598880), (4, 10199160), (5, 8159328), (6, 6799440), (8, 5099580), (9, 4532960), (10, 4079664), (12, 3399720), (15, 2719776), (16, 2549790), (18, 2266480), (20, 2039832), (24, 1699860), (30, 1359888), (32, 1274895), (36, 1133240), (40, 1019916), (41, 995040), (45, 906592), (48, 849930), (60, 679944), (72, 566620), (80, 509958), (82, 497520), (90, 453296), (96, 424965), (120, 339972), (123, 331680), (144, 283310), (160, 254979), (164, 248760), (180, 226648), (205, 199008), (240, 169986), (246, 165840), (288, 141655), (328, 124380), (360, 113324), (369, 110560), (410, 99504), (480, 84993), (492, 82920), (615, 66336), (656, 62190), (691, 59040), (720, 56662), (738, 55280), (820, 49752), (984, 41460), (1230, 33168), (1312, 31095), (1382, 29520), (1440, 28331), (1476, 27640), (1640, 24876), (1845, 22112), (1968, 20730), (2073, 19680), (2460, 16584), (2764, 14760), (2952, 13820), (3280, 12438), (3455, 11808), (3690, 11056), (3936, 10365), (4146, 9840), (4920, 8292), (5528, 7380), (5904, 6910), (6219, 6560)]