15644720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{307}}^1$

素因数の和:347

約数の個数: 120

約数和(自身を含む): 45715824

約数和(自身を除く): 30071104

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 182, 196, 208, 245, 260, 280, 307, 364, 392, 455, 490, 520, 560, 614, 637, 728, 784, 910, 980, 1040, 1228, 1274, 1456, 1535, 1820, 1960, 2149, 2456, 2548, 3070, 3185, 3640, 3920, 3991, 4298, 4912, 5096, 6140, 6370, 7280, 7982, 8596, 10192, 10745, 12280, 12740, 15043, 15964, 17192, 19955, 21490, 24560, 25480, 27937, 30086, 31928, 34384, 39910, 42980, 50960, 55874, 60172, 63856, 75215, 79820, 85960, 111748, 120344, 139685, 150430, 159640, 171920, 195559, 223496, 240688, 279370, 300860, 319280, 391118, 446992, 558740, 601720, 782236, 977795, 1117480, 1203440, 1564472, 1955590, 2234960, 3128944, 3911180, 7822360, 15644720]

約数ペア:

[(1, 15644720), (2, 7822360), (4, 3911180), (5, 3128944), (7, 2234960), (8, 1955590), (10, 1564472), (13, 1203440), (14, 1117480), (16, 977795), (20, 782236), (26, 601720), (28, 558740), (35, 446992), (40, 391118), (49, 319280), (52, 300860), (56, 279370), (65, 240688), (70, 223496), (80, 195559), (91, 171920), (98, 159640), (104, 150430), (112, 139685), (130, 120344), (140, 111748), (182, 85960), (196, 79820), (208, 75215), (245, 63856), (260, 60172), (280, 55874), (307, 50960), (364, 42980), (392, 39910), (455, 34384), (490, 31928), (520, 30086), (560, 27937), (614, 25480), (637, 24560), (728, 21490), (784, 19955), (910, 17192), (980, 15964), (1040, 15043), (1228, 12740), (1274, 12280), (1456, 10745), (1535, 10192), (1820, 8596), (1960, 7982), (2149, 7280), (2456, 6370), (2548, 6140), (3070, 5096), (3185, 4912), (3640, 4298), (3920, 3991)]