28903560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1811}}^1$

素因数の和:1851

約数の個数: 128

約数和(自身を含む): 104371200

約数和(自身を除く): 75467640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1811, 1995, 2280, 2660, 3192, 3622, 3990, 5320, 5433, 7244, 7980, 9055, 10866, 12677, 14488, 15960, 18110, 21732, 25354, 27165, 34409, 36220, 38031, 43464, 50708, 54330, 63385, 68818, 72440, 76062, 101416, 103227, 108660, 126770, 137636, 152124, 172045, 190155, 206454, 217320, 240863, 253540, 275272, 304248, 344090, 380310, 412908, 481726, 507080, 516135, 688180, 722589, 760620, 825816, 963452, 1032270, 1204315, 1376360, 1445178, 1521240, 1926904, 2064540, 2408630, 2890356, 3612945, 4129080, 4817260, 5780712, 7225890, 9634520, 14451780, 28903560]

約数ペア:

[(1, 28903560), (2, 14451780), (3, 9634520), (4, 7225890), (5, 5780712), (6, 4817260), (7, 4129080), (8, 3612945), (10, 2890356), (12, 2408630), (14, 2064540), (15, 1926904), (19, 1521240), (20, 1445178), (21, 1376360), (24, 1204315), (28, 1032270), (30, 963452), (35, 825816), (38, 760620), (40, 722589), (42, 688180), (56, 516135), (57, 507080), (60, 481726), (70, 412908), (76, 380310), (84, 344090), (95, 304248), (105, 275272), (114, 253540), (120, 240863), (133, 217320), (140, 206454), (152, 190155), (168, 172045), (190, 152124), (210, 137636), (228, 126770), (266, 108660), (280, 103227), (285, 101416), (380, 76062), (399, 72440), (420, 68818), (456, 63385), (532, 54330), (570, 50708), (665, 43464), (760, 38031), (798, 36220), (840, 34409), (1064, 27165), (1140, 25354), (1330, 21732), (1596, 18110), (1811, 15960), (1995, 14488), (2280, 12677), (2660, 10866), (3192, 9055), (3622, 7980), (3990, 7244), (5320, 5433)]