30687020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1297}}^1$

素因数の和:1339

約数の個数: 72

約数和(自身を含む): 79811424

約数和(自身を除く): 49124404

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 260, 338, 364, 455, 676, 845, 910, 1183, 1297, 1690, 1820, 2366, 2594, 3380, 4732, 5188, 5915, 6485, 9079, 11830, 12970, 16861, 18158, 23660, 25940, 33722, 36316, 45395, 67444, 84305, 90790, 118027, 168610, 181580, 219193, 236054, 337220, 438386, 472108, 590135, 876772, 1095965, 1180270, 1534351, 2191930, 2360540, 3068702, 4383860, 6137404, 7671755, 15343510, 30687020]

約数ペア:

[(1, 30687020), (2, 15343510), (4, 7671755), (5, 6137404), (7, 4383860), (10, 3068702), (13, 2360540), (14, 2191930), (20, 1534351), (26, 1180270), (28, 1095965), (35, 876772), (52, 590135), (65, 472108), (70, 438386), (91, 337220), (130, 236054), (140, 219193), (169, 181580), (182, 168610), (260, 118027), (338, 90790), (364, 84305), (455, 67444), (676, 45395), (845, 36316), (910, 33722), (1183, 25940), (1297, 23660), (1690, 18158), (1820, 16861), (2366, 12970), (2594, 11830), (3380, 9079), (4732, 6485), (5188, 5915)]