148587280

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{509}}^1$

素因数の和:652

約数の個数: 80

約数和(自身を含む): 358570800

約数和(自身を除く): 209983520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 89, 164, 178, 205, 328, 356, 410, 445, 509, 656, 712, 820, 890, 1018, 1424, 1640, 1780, 2036, 2545, 3280, 3560, 3649, 4072, 5090, 7120, 7298, 8144, 10180, 14596, 18245, 20360, 20869, 29192, 36490, 40720, 41738, 45301, 58384, 72980, 83476, 90602, 104345, 145960, 166952, 181204, 208690, 226505, 291920, 333904, 362408, 417380, 453010, 724816, 834760, 906020, 1669520, 1812040, 1857341, 3624080, 3714682, 7429364, 9286705, 14858728, 18573410, 29717456, 37146820, 74293640, 148587280]

約数ペア:

[(1, 148587280), (2, 74293640), (4, 37146820), (5, 29717456), (8, 18573410), (10, 14858728), (16, 9286705), (20, 7429364), (40, 3714682), (41, 3624080), (80, 1857341), (82, 1812040), (89, 1669520), (164, 906020), (178, 834760), (205, 724816), (328, 453010), (356, 417380), (410, 362408), (445, 333904), (509, 291920), (656, 226505), (712, 208690), (820, 181204), (890, 166952), (1018, 145960), (1424, 104345), (1640, 90602), (1780, 83476), (2036, 72980), (2545, 58384), (3280, 45301), (3560, 41738), (3649, 40720), (4072, 36490), (5090, 29192), (7120, 20869), (7298, 20360), (8144, 18245), (10180, 14596)]