77720280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{607}}^1$

素因数の和:729

約数の個数: 128

約数和(自身を含む): 257402880

約数和(自身を除く): 179682600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 97, 110, 120, 132, 165, 194, 220, 264, 291, 330, 388, 440, 485, 582, 607, 660, 776, 970, 1067, 1164, 1214, 1320, 1455, 1821, 1940, 2134, 2328, 2428, 2910, 3035, 3201, 3642, 3880, 4268, 4856, 5335, 5820, 6070, 6402, 6677, 7284, 8536, 9105, 10670, 11640, 12140, 12804, 13354, 14568, 16005, 18210, 20031, 21340, 24280, 25608, 26708, 32010, 33385, 36420, 40062, 42680, 53416, 58879, 64020, 66770, 72840, 80124, 100155, 117758, 128040, 133540, 160248, 176637, 200310, 235516, 267080, 294395, 353274, 400620, 471032, 588790, 647669, 706548, 801240, 883185, 1177580, 1295338, 1413096, 1766370, 1943007, 2355160, 2590676, 3238345, 3532740, 3886014, 5181352, 6476690, 7065480, 7772028, 9715035, 12953380, 15544056, 19430070, 25906760, 38860140, 77720280]

約数ペア:

[(1, 77720280), (2, 38860140), (3, 25906760), (4, 19430070), (5, 15544056), (6, 12953380), (8, 9715035), (10, 7772028), (11, 7065480), (12, 6476690), (15, 5181352), (20, 3886014), (22, 3532740), (24, 3238345), (30, 2590676), (33, 2355160), (40, 1943007), (44, 1766370), (55, 1413096), (60, 1295338), (66, 1177580), (88, 883185), (97, 801240), (110, 706548), (120, 647669), (132, 588790), (165, 471032), (194, 400620), (220, 353274), (264, 294395), (291, 267080), (330, 235516), (388, 200310), (440, 176637), (485, 160248), (582, 133540), (607, 128040), (660, 117758), (776, 100155), (970, 80124), (1067, 72840), (1164, 66770), (1214, 64020), (1320, 58879), (1455, 53416), (1821, 42680), (1940, 40062), (2134, 36420), (2328, 33385), (2428, 32010), (2910, 26708), (3035, 25608), (3201, 24280), (3642, 21340), (3880, 20031), (4268, 18210), (4856, 16005), (5335, 14568), (5820, 13354), (6070, 12804), (6402, 12140), (6677, 11640), (7284, 10670), (8536, 9105)]