311762280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{331}}^1$

素因数の和:559

約数の個数: 128

約数和(自身を含む): 963809280

約数和(自身を除く): 652047000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 167, 188, 235, 282, 331, 334, 376, 470, 501, 564, 662, 668, 705, 835, 940, 993, 1002, 1128, 1324, 1336, 1410, 1655, 1670, 1880, 1986, 2004, 2505, 2648, 2820, 3310, 3340, 3972, 4008, 4965, 5010, 5640, 6620, 6680, 7849, 7944, 9930, 10020, 13240, 15557, 15698, 19860, 20040, 23547, 31114, 31396, 39245, 39720, 46671, 47094, 55277, 62228, 62792, 77785, 78490, 93342, 94188, 110554, 117735, 124456, 155570, 156980, 165831, 186684, 188376, 221108, 233355, 235470, 276385, 311140, 313960, 331662, 373368, 442216, 466710, 470940, 552770, 622280, 663324, 829155, 933420, 941880, 1105540, 1326648, 1658310, 1866840, 2211080, 2598019, 3316620, 5196038, 6633240, 7794057, 10392076, 12990095, 15588114, 20784152, 25980190, 31176228, 38970285, 51960380, 62352456, 77940570, 103920760, 155881140, 311762280]

約数ペア:

[(1, 311762280), (2, 155881140), (3, 103920760), (4, 77940570), (5, 62352456), (6, 51960380), (8, 38970285), (10, 31176228), (12, 25980190), (15, 20784152), (20, 15588114), (24, 12990095), (30, 10392076), (40, 7794057), (47, 6633240), (60, 5196038), (94, 3316620), (120, 2598019), (141, 2211080), (167, 1866840), (188, 1658310), (235, 1326648), (282, 1105540), (331, 941880), (334, 933420), (376, 829155), (470, 663324), (501, 622280), (564, 552770), (662, 470940), (668, 466710), (705, 442216), (835, 373368), (940, 331662), (993, 313960), (1002, 311140), (1128, 276385), (1324, 235470), (1336, 233355), (1410, 221108), (1655, 188376), (1670, 186684), (1880, 165831), (1986, 156980), (2004, 155570), (2505, 124456), (2648, 117735), (2820, 110554), (3310, 94188), (3340, 93342), (3972, 78490), (4008, 77785), (4965, 62792), (5010, 62228), (5640, 55277), (6620, 47094), (6680, 46671), (7849, 39720), (7944, 39245), (9930, 31396), (10020, 31114), (13240, 23547), (15557, 20040), (15698, 19860)]