26940420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{397}}^1$

素因数の和:454

約数の個数: 144

約数和(自身を含む): 91269360

約数和(自身を除く): 64328940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 29, 30, 36, 39, 45, 52, 58, 60, 65, 78, 87, 90, 116, 117, 130, 145, 156, 174, 180, 195, 234, 260, 261, 290, 348, 377, 390, 397, 435, 468, 522, 580, 585, 754, 780, 794, 870, 1044, 1131, 1170, 1191, 1305, 1508, 1588, 1740, 1885, 1985, 2262, 2340, 2382, 2610, 3393, 3573, 3770, 3970, 4524, 4764, 5161, 5220, 5655, 5955, 6786, 7146, 7540, 7940, 10322, 11310, 11513, 11910, 13572, 14292, 15483, 16965, 17865, 20644, 22620, 23026, 23820, 25805, 30966, 33930, 34539, 35730, 46052, 46449, 51610, 57565, 61932, 67860, 69078, 71460, 77415, 92898, 103220, 103617, 115130, 138156, 149669, 154830, 172695, 185796, 207234, 230260, 232245, 299338, 309660, 345390, 414468, 449007, 464490, 518085, 598676, 690780, 748345, 898014, 928980, 1036170, 1347021, 1496690, 1796028, 2072340, 2245035, 2694042, 2993380, 4490070, 5388084, 6735105, 8980140, 13470210, 26940420]

約数ペア:

[(1, 26940420), (2, 13470210), (3, 8980140), (4, 6735105), (5, 5388084), (6, 4490070), (9, 2993380), (10, 2694042), (12, 2245035), (13, 2072340), (15, 1796028), (18, 1496690), (20, 1347021), (26, 1036170), (29, 928980), (30, 898014), (36, 748345), (39, 690780), (45, 598676), (52, 518085), (58, 464490), (60, 449007), (65, 414468), (78, 345390), (87, 309660), (90, 299338), (116, 232245), (117, 230260), (130, 207234), (145, 185796), (156, 172695), (174, 154830), (180, 149669), (195, 138156), (234, 115130), (260, 103617), (261, 103220), (290, 92898), (348, 77415), (377, 71460), (390, 69078), (397, 67860), (435, 61932), (468, 57565), (522, 51610), (580, 46449), (585, 46052), (754, 35730), (780, 34539), (794, 33930), (870, 30966), (1044, 25805), (1131, 23820), (1170, 23026), (1191, 22620), (1305, 20644), (1508, 17865), (1588, 16965), (1740, 15483), (1885, 14292), (1985, 13572), (2262, 11910), (2340, 11513), (2382, 11310), (2610, 10322), (3393, 7940), (3573, 7540), (3770, 7146), (3970, 6786), (4524, 5955), (4764, 5655), (5161, 5220)]