16940560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{179}}^1$

素因数の和:225

約数の個数: 120

約数和(自身を含む): 49014720

約数和(自身を除く): 32074160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 169, 179, 182, 208, 260, 280, 338, 358, 364, 455, 520, 560, 676, 716, 728, 845, 895, 910, 1040, 1183, 1253, 1352, 1432, 1456, 1690, 1790, 1820, 2327, 2366, 2506, 2704, 2864, 3380, 3580, 3640, 4654, 4732, 5012, 5915, 6265, 6760, 7160, 7280, 9308, 9464, 10024, 11635, 11830, 12530, 13520, 14320, 16289, 18616, 18928, 20048, 23270, 23660, 25060, 30251, 32578, 37232, 46540, 47320, 50120, 60502, 65156, 81445, 93080, 94640, 100240, 121004, 130312, 151255, 162890, 186160, 211757, 242008, 260624, 302510, 325780, 423514, 484016, 605020, 651560, 847028, 1058785, 1210040, 1303120, 1694056, 2117570, 2420080, 3388112, 4235140, 8470280, 16940560]

約数ペア:

[(1, 16940560), (2, 8470280), (4, 4235140), (5, 3388112), (7, 2420080), (8, 2117570), (10, 1694056), (13, 1303120), (14, 1210040), (16, 1058785), (20, 847028), (26, 651560), (28, 605020), (35, 484016), (40, 423514), (52, 325780), (56, 302510), (65, 260624), (70, 242008), (80, 211757), (91, 186160), (104, 162890), (112, 151255), (130, 130312), (140, 121004), (169, 100240), (179, 94640), (182, 93080), (208, 81445), (260, 65156), (280, 60502), (338, 50120), (358, 47320), (364, 46540), (455, 37232), (520, 32578), (560, 30251), (676, 25060), (716, 23660), (728, 23270), (845, 20048), (895, 18928), (910, 18616), (1040, 16289), (1183, 14320), (1253, 13520), (1352, 12530), (1432, 11830), (1456, 11635), (1690, 10024), (1790, 9464), (1820, 9308), (2327, 7280), (2366, 7160), (2506, 6760), (2704, 6265), (2864, 5915), (3380, 5012), (3580, 4732), (3640, 4654)]