262518516

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{757}}^1$

素因数の和:815

約数の個数: 144

約数和(自身を含む): 776798400

約数和(自身を除く): 514279884

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 27, 36, 38, 39, 52, 54, 57, 76, 78, 108, 114, 117, 156, 169, 171, 228, 234, 247, 338, 342, 351, 468, 494, 507, 513, 676, 684, 702, 741, 757, 988, 1014, 1026, 1404, 1482, 1514, 1521, 2028, 2052, 2223, 2271, 2964, 3028, 3042, 3211, 4446, 4542, 4563, 6084, 6422, 6669, 6813, 8892, 9084, 9126, 9633, 9841, 12844, 13338, 13626, 14383, 18252, 19266, 19682, 20439, 26676, 27252, 28766, 28899, 29523, 38532, 39364, 40878, 43149, 57532, 57798, 59046, 81756, 86298, 86697, 88569, 115596, 118092, 127933, 129447, 172596, 173394, 177138, 186979, 255866, 258894, 265707, 346788, 354276, 373958, 383799, 388341, 511732, 517788, 531414, 560937, 747916, 767598, 776682, 1062828, 1121874, 1151397, 1535196, 1553364, 1682811, 2243748, 2302794, 2430727, 3365622, 3454191, 4605588, 4861454, 5048433, 6731244, 6908382, 7292181, 9722908, 10096866, 13816764, 14584362, 20193732, 21876543, 29168724, 43753086, 65629629, 87506172, 131259258, 262518516]

約数ペア:

[(1, 262518516), (2, 131259258), (3, 87506172), (4, 65629629), (6, 43753086), (9, 29168724), (12, 21876543), (13, 20193732), (18, 14584362), (19, 13816764), (26, 10096866), (27, 9722908), (36, 7292181), (38, 6908382), (39, 6731244), (52, 5048433), (54, 4861454), (57, 4605588), (76, 3454191), (78, 3365622), (108, 2430727), (114, 2302794), (117, 2243748), (156, 1682811), (169, 1553364), (171, 1535196), (228, 1151397), (234, 1121874), (247, 1062828), (338, 776682), (342, 767598), (351, 747916), (468, 560937), (494, 531414), (507, 517788), (513, 511732), (676, 388341), (684, 383799), (702, 373958), (741, 354276), (757, 346788), (988, 265707), (1014, 258894), (1026, 255866), (1404, 186979), (1482, 177138), (1514, 173394), (1521, 172596), (2028, 129447), (2052, 127933), (2223, 118092), (2271, 115596), (2964, 88569), (3028, 86697), (3042, 86298), (3211, 81756), (4446, 59046), (4542, 57798), (4563, 57532), (6084, 43149), (6422, 40878), (6669, 39364), (6813, 38532), (8892, 29523), (9084, 28899), (9126, 28766), (9633, 27252), (9841, 26676), (12844, 20439), (13338, 19682), (13626, 19266), (14383, 18252)]