80821260

素因数分解:

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

素因数の和:457

約数の個数: 192

約数和(自身を含む): 280828800

約数和(自身を除く): 200007540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 29, 30, 36, 39, 45, 52, 54, 58, 60, 65, 78, 87, 90, 108, 116, 117, 130, 135, 145, 156, 174, 180, 195, 234, 260, 261, 270, 290, 348, 351, 377, 390, 397, 435, 468, 522, 540, 580, 585, 702, 754, 780, 783, 794, 870, 1044, 1131, 1170, 1191, 1305, 1404, 1508, 1566, 1588, 1740, 1755, 1885, 1985, 2262, 2340, 2382, 2610, 3132, 3393, 3510, 3573, 3770, 3915, 3970, 4524, 4764, 5161, 5220, 5655, 5955, 6786, 7020, 7146, 7540, 7830, 7940, 10179, 10322, 10719, 11310, 11513, 11910, 13572, 14292, 15483, 15660, 16965, 17865, 20358, 20644, 21438, 22620, 23026, 23820, 25805, 30966, 33930, 34539, 35730, 40716, 42876, 46052, 46449, 50895, 51610, 53595, 57565, 61932, 67860, 69078, 71460, 77415, 92898, 101790, 103220, 103617, 107190, 115130, 138156, 139347, 149669, 154830, 172695, 185796, 203580, 207234, 214380, 230260, 232245, 278694, 299338, 309660, 310851, 345390, 414468, 449007, 464490, 518085, 557388, 598676, 621702, 690780, 696735, 748345, 898014, 928980, 1036170, 1243404, 1347021, 1393470, 1496690, 1554255, 1796028, 2072340, 2245035, 2694042, 2786940, 2993380, 3108510, 4041063, 4490070, 5388084, 6217020, 6735105, 8082126, 8980140, 13470210, 16164252, 20205315, 26940420, 40410630, 80821260]

約数ペア:

[(1, 80821260), (2, 40410630), (3, 26940420), (4, 20205315), (5, 16164252), (6, 13470210), (9, 8980140), (10, 8082126), (12, 6735105), (13, 6217020), (15, 5388084), (18, 4490070), (20, 4041063), (26, 3108510), (27, 2993380), (29, 2786940), (30, 2694042), (36, 2245035), (39, 2072340), (45, 1796028), (52, 1554255), (54, 1496690), (58, 1393470), (60, 1347021), (65, 1243404), (78, 1036170), (87, 928980), (90, 898014), (108, 748345), (116, 696735), (117, 690780), (130, 621702), (135, 598676), (145, 557388), (156, 518085), (174, 464490), (180, 449007), (195, 414468), (234, 345390), (260, 310851), (261, 309660), (270, 299338), (290, 278694), (348, 232245), (351, 230260), (377, 214380), (390, 207234), (397, 203580), (435, 185796), (468, 172695), (522, 154830), (540, 149669), (580, 139347), (585, 138156), (702, 115130), (754, 107190), (780, 103617), (783, 103220), (794, 101790), (870, 92898), (1044, 77415), (1131, 71460), (1170, 69078), (1191, 67860), (1305, 61932), (1404, 57565), (1508, 53595), (1566, 51610), (1588, 50895), (1740, 46449), (1755, 46052), (1885, 42876), (1985, 40716), (2262, 35730), (2340, 34539), (2382, 33930), (2610, 30966), (3132, 25805), (3393, 23820), (3510, 23026), (3573, 22620), (3770, 21438), (3915, 20644), (3970, 20358), (4524, 17865), (4764, 16965), (5161, 15660), (5220, 15483), (5655, 14292), (5955, 13572), (6786, 11910), (7020, 11513), (7146, 11310), (7540, 10719), (7830, 10322), (7940, 10179)]