257445864

素因数分解:

$2^3\times 3^5\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:262

約数の個数: 192

約数和(自身を含む): 796199040

約数和(自身を除く): 538753176

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 61, 72, 78, 81, 104, 108, 117, 122, 156, 162, 167, 183, 216, 234, 243, 244, 312, 324, 334, 351, 366, 468, 486, 488, 501, 549, 648, 668, 702, 732, 793, 936, 972, 1002, 1053, 1098, 1336, 1404, 1464, 1503, 1586, 1647, 1944, 2004, 2106, 2171, 2196, 2379, 2808, 3006, 3159, 3172, 3294, 4008, 4212, 4342, 4392, 4509, 4758, 4941, 6012, 6318, 6344, 6513, 6588, 7137, 8424, 8684, 9018, 9516, 9882, 10187, 12024, 12636, 13026, 13176, 13527, 14274, 14823, 17368, 18036, 19032, 19539, 19764, 20374, 21411, 25272, 26052, 27054, 28548, 29646, 30561, 36072, 39078, 39528, 40581, 40748, 42822, 52104, 54108, 57096, 58617, 59292, 61122, 64233, 78156, 81162, 81496, 85644, 91683, 108216, 117234, 118584, 122244, 128466, 132431, 156312, 162324, 171288, 175851, 183366, 192699, 234468, 244488, 256932, 264862, 275049, 324648, 351702, 366732, 385398, 397293, 468936, 513864, 527553, 529724, 550098, 703404, 733464, 770796, 794586, 825147, 1055106, 1059448, 1100196, 1191879, 1406808, 1541592, 1589172, 1650294, 2110212, 2200392, 2383758, 2475441, 3178344, 3300588, 3575637, 4220424, 4767516, 4950882, 6601176, 7151274, 9535032, 9901764, 10726911, 14302548, 19803528, 21453822, 28605096, 32180733, 42907644, 64361466, 85815288, 128722932, 257445864]

約数ペア:

[(1, 257445864), (2, 128722932), (3, 85815288), (4, 64361466), (6, 42907644), (8, 32180733), (9, 28605096), (12, 21453822), (13, 19803528), (18, 14302548), (24, 10726911), (26, 9901764), (27, 9535032), (36, 7151274), (39, 6601176), (52, 4950882), (54, 4767516), (61, 4220424), (72, 3575637), (78, 3300588), (81, 3178344), (104, 2475441), (108, 2383758), (117, 2200392), (122, 2110212), (156, 1650294), (162, 1589172), (167, 1541592), (183, 1406808), (216, 1191879), (234, 1100196), (243, 1059448), (244, 1055106), (312, 825147), (324, 794586), (334, 770796), (351, 733464), (366, 703404), (468, 550098), (486, 529724), (488, 527553), (501, 513864), (549, 468936), (648, 397293), (668, 385398), (702, 366732), (732, 351702), (793, 324648), (936, 275049), (972, 264862), (1002, 256932), (1053, 244488), (1098, 234468), (1336, 192699), (1404, 183366), (1464, 175851), (1503, 171288), (1586, 162324), (1647, 156312), (1944, 132431), (2004, 128466), (2106, 122244), (2171, 118584), (2196, 117234), (2379, 108216), (2808, 91683), (3006, 85644), (3159, 81496), (3172, 81162), (3294, 78156), (4008, 64233), (4212, 61122), (4342, 59292), (4392, 58617), (4509, 57096), (4758, 54108), (4941, 52104), (6012, 42822), (6318, 40748), (6344, 40581), (6513, 39528), (6588, 39078), (7137, 36072), (8424, 30561), (8684, 29646), (9018, 28548), (9516, 27054), (9882, 26052), (10187, 25272), (12024, 21411), (12636, 20374), (13026, 19764), (13176, 19539), (13527, 19032), (14274, 18036), (14823, 17368)]