128501568

素因数分解:

$2^6\times 3^2\times {\mathrm{13}}^1\times {\mathrm{131}}^2$

素因数の和:293

約数の個数: 126

約数和(自身を含む): 399710402

約数和(自身を除く): 271208834

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 96, 104, 117, 131, 144, 156, 192, 208, 234, 262, 288, 312, 393, 416, 468, 524, 576, 624, 786, 832, 936, 1048, 1179, 1248, 1572, 1703, 1872, 2096, 2358, 2496, 3144, 3406, 3744, 4192, 4716, 5109, 6288, 6812, 7488, 8384, 9432, 10218, 12576, 13624, 15327, 17161, 18864, 20436, 25152, 27248, 30654, 34322, 37728, 40872, 51483, 54496, 61308, 68644, 75456, 81744, 102966, 108992, 122616, 137288, 154449, 163488, 205932, 223093, 245232, 274576, 308898, 326976, 411864, 446186, 490464, 549152, 617796, 669279, 823728, 892372, 980928, 1098304, 1235592, 1338558, 1647456, 1784744, 2007837, 2471184, 2677116, 3294912, 3569488, 4015674, 4942368, 5354232, 7138976, 8031348, 9884736, 10708464, 14277952, 16062696, 21416928, 32125392, 42833856, 64250784, 128501568]

約数ペア:

[(1, 128501568), (2, 64250784), (3, 42833856), (4, 32125392), (6, 21416928), (8, 16062696), (9, 14277952), (12, 10708464), (13, 9884736), (16, 8031348), (18, 7138976), (24, 5354232), (26, 4942368), (32, 4015674), (36, 3569488), (39, 3294912), (48, 2677116), (52, 2471184), (64, 2007837), (72, 1784744), (78, 1647456), (96, 1338558), (104, 1235592), (117, 1098304), (131, 980928), (144, 892372), (156, 823728), (192, 669279), (208, 617796), (234, 549152), (262, 490464), (288, 446186), (312, 411864), (393, 326976), (416, 308898), (468, 274576), (524, 245232), (576, 223093), (624, 205932), (786, 163488), (832, 154449), (936, 137288), (1048, 122616), (1179, 108992), (1248, 102966), (1572, 81744), (1703, 75456), (1872, 68644), (2096, 61308), (2358, 54496), (2496, 51483), (3144, 40872), (3406, 37728), (3744, 34322), (4192, 30654), (4716, 27248), (5109, 25152), (6288, 20436), (6812, 18864), (7488, 17161), (8384, 15327), (9432, 13624), (10218, 12576)]