40289880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1$

素因数の和:505

約数の個数: 128

約数和(自身を含む): 130636800

約数和(自身を除く): 90346920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 41, 57, 60, 76, 82, 95, 114, 120, 123, 152, 164, 190, 205, 228, 246, 285, 328, 380, 410, 431, 456, 492, 570, 615, 760, 779, 820, 862, 984, 1140, 1230, 1293, 1558, 1640, 1724, 2155, 2280, 2337, 2460, 2586, 3116, 3448, 3895, 4310, 4674, 4920, 5172, 6232, 6465, 7790, 8189, 8620, 9348, 10344, 11685, 12930, 15580, 16378, 17240, 17671, 18696, 23370, 24567, 25860, 31160, 32756, 35342, 40945, 46740, 49134, 51720, 53013, 65512, 70684, 81890, 88355, 93480, 98268, 106026, 122835, 141368, 163780, 176710, 196536, 212052, 245670, 265065, 327560, 335749, 353420, 424104, 491340, 530130, 671498, 706840, 982680, 1007247, 1060260, 1342996, 1678745, 2014494, 2120520, 2685992, 3357490, 4028988, 5036235, 6714980, 8057976, 10072470, 13429960, 20144940, 40289880]

約数ペア:

[(1, 40289880), (2, 20144940), (3, 13429960), (4, 10072470), (5, 8057976), (6, 6714980), (8, 5036235), (10, 4028988), (12, 3357490), (15, 2685992), (19, 2120520), (20, 2014494), (24, 1678745), (30, 1342996), (38, 1060260), (40, 1007247), (41, 982680), (57, 706840), (60, 671498), (76, 530130), (82, 491340), (95, 424104), (114, 353420), (120, 335749), (123, 327560), (152, 265065), (164, 245670), (190, 212052), (205, 196536), (228, 176710), (246, 163780), (285, 141368), (328, 122835), (380, 106026), (410, 98268), (431, 93480), (456, 88355), (492, 81890), (570, 70684), (615, 65512), (760, 53013), (779, 51720), (820, 49134), (862, 46740), (984, 40945), (1140, 35342), (1230, 32756), (1293, 31160), (1558, 25860), (1640, 24567), (1724, 23370), (2155, 18696), (2280, 17671), (2337, 17240), (2460, 16378), (2586, 15580), (3116, 12930), (3448, 11685), (3895, 10344), (4310, 9348), (4674, 8620), (4920, 8189), (5172, 7790), (6232, 6465)]