64866780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^2$

素因数の和:388

約数の個数: 108

約数和(自身を含む): 215842536

約数和(自身を除く): 150975756

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 181, 198, 220, 330, 362, 396, 495, 543, 660, 724, 905, 990, 1086, 1629, 1810, 1980, 1991, 2172, 2715, 3258, 3620, 3982, 5430, 5973, 6516, 7964, 8145, 9955, 10860, 11946, 16290, 17919, 19910, 23892, 29865, 32580, 32761, 35838, 39820, 59730, 65522, 71676, 89595, 98283, 119460, 131044, 163805, 179190, 196566, 294849, 327610, 358380, 360371, 393132, 491415, 589698, 655220, 720742, 982830, 1081113, 1179396, 1441484, 1474245, 1801855, 1965660, 2162226, 2948490, 3243339, 3603710, 4324452, 5405565, 5896980, 6486678, 7207420, 10811130, 12973356, 16216695, 21622260, 32433390, 64866780]

約数ペア:

[(1, 64866780), (2, 32433390), (3, 21622260), (4, 16216695), (5, 12973356), (6, 10811130), (9, 7207420), (10, 6486678), (11, 5896980), (12, 5405565), (15, 4324452), (18, 3603710), (20, 3243339), (22, 2948490), (30, 2162226), (33, 1965660), (36, 1801855), (44, 1474245), (45, 1441484), (55, 1179396), (60, 1081113), (66, 982830), (90, 720742), (99, 655220), (110, 589698), (132, 491415), (165, 393132), (180, 360371), (181, 358380), (198, 327610), (220, 294849), (330, 196566), (362, 179190), (396, 163805), (495, 131044), (543, 119460), (660, 98283), (724, 89595), (905, 71676), (990, 65522), (1086, 59730), (1629, 39820), (1810, 35838), (1980, 32761), (1991, 32580), (2172, 29865), (2715, 23892), (3258, 19910), (3620, 17919), (3982, 16290), (5430, 11946), (5973, 10860), (6516, 9955), (7964, 8145)]