64461780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:330

約数の個数: 144

約数和(自身を含む): 206977680

約数和(自身を除く): 142515900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 53, 58, 60, 87, 90, 106, 116, 145, 159, 174, 180, 212, 233, 261, 265, 290, 318, 348, 435, 466, 477, 522, 530, 580, 636, 699, 795, 870, 932, 954, 1044, 1060, 1165, 1305, 1398, 1537, 1590, 1740, 1908, 2097, 2330, 2385, 2610, 2796, 3074, 3180, 3495, 4194, 4611, 4660, 4770, 5220, 6148, 6757, 6990, 7685, 8388, 9222, 9540, 10485, 12349, 13514, 13833, 13980, 15370, 18444, 20271, 20970, 23055, 24698, 27028, 27666, 30740, 33785, 37047, 40542, 41940, 46110, 49396, 55332, 60813, 61745, 67570, 69165, 74094, 81084, 92220, 101355, 111141, 121626, 123490, 135140, 138330, 148188, 185235, 202710, 222282, 243252, 246980, 276660, 304065, 358121, 370470, 405420, 444564, 555705, 608130, 716242, 740940, 1074363, 1111410, 1216260, 1432484, 1790605, 2148726, 2222820, 3223089, 3581210, 4297452, 5371815, 6446178, 7162420, 10743630, 12892356, 16115445, 21487260, 32230890, 64461780]

約数ペア:

[(1, 64461780), (2, 32230890), (3, 21487260), (4, 16115445), (5, 12892356), (6, 10743630), (9, 7162420), (10, 6446178), (12, 5371815), (15, 4297452), (18, 3581210), (20, 3223089), (29, 2222820), (30, 2148726), (36, 1790605), (45, 1432484), (53, 1216260), (58, 1111410), (60, 1074363), (87, 740940), (90, 716242), (106, 608130), (116, 555705), (145, 444564), (159, 405420), (174, 370470), (180, 358121), (212, 304065), (233, 276660), (261, 246980), (265, 243252), (290, 222282), (318, 202710), (348, 185235), (435, 148188), (466, 138330), (477, 135140), (522, 123490), (530, 121626), (580, 111141), (636, 101355), (699, 92220), (795, 81084), (870, 74094), (932, 69165), (954, 67570), (1044, 61745), (1060, 60813), (1165, 55332), (1305, 49396), (1398, 46110), (1537, 41940), (1590, 40542), (1740, 37047), (1908, 33785), (2097, 30740), (2330, 27666), (2385, 27028), (2610, 24698), (2796, 23055), (3074, 20970), (3180, 20271), (3495, 18444), (4194, 15370), (4611, 13980), (4660, 13833), (4770, 13514), (5220, 12349), (6148, 10485), (6757, 9540), (6990, 9222), (7685, 8388)]