128378340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{233}}^1\times {\mathrm{3061}}^1$

素因数の和:3309

約数の個数: 72

約数和(自身を含む): 391213368

約数和(自身を除く): 262835028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 233, 466, 699, 932, 1165, 1398, 2097, 2330, 2796, 3061, 3495, 4194, 4660, 6122, 6990, 8388, 9183, 10485, 12244, 13980, 15305, 18366, 20970, 27549, 30610, 36732, 41940, 45915, 55098, 61220, 91830, 110196, 137745, 183660, 275490, 550980, 713213, 1426426, 2139639, 2852852, 3566065, 4279278, 6418917, 7132130, 8558556, 10698195, 12837834, 14264260, 21396390, 25675668, 32094585, 42792780, 64189170, 128378340]

約数ペア:

[(1, 128378340), (2, 64189170), (3, 42792780), (4, 32094585), (5, 25675668), (6, 21396390), (9, 14264260), (10, 12837834), (12, 10698195), (15, 8558556), (18, 7132130), (20, 6418917), (30, 4279278), (36, 3566065), (45, 2852852), (60, 2139639), (90, 1426426), (180, 713213), (233, 550980), (466, 275490), (699, 183660), (932, 137745), (1165, 110196), (1398, 91830), (2097, 61220), (2330, 55098), (2796, 45915), (3061, 41940), (3495, 36732), (4194, 30610), (4660, 27549), (6122, 20970), (6990, 18366), (8388, 15305), (9183, 13980), (10485, 12244)]