31507890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{331}}^1$

素因数の和:527

約数の個数: 64

約数和(自身を含む): 80317440

約数和(自身を除く): 48809550

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 167, 190, 285, 331, 334, 501, 570, 662, 835, 993, 1002, 1655, 1670, 1986, 2505, 3173, 3310, 4965, 5010, 6289, 6346, 9519, 9930, 12578, 15865, 18867, 19038, 31445, 31730, 37734, 47595, 55277, 62890, 94335, 95190, 110554, 165831, 188670, 276385, 331662, 552770, 829155, 1050263, 1658310, 2100526, 3150789, 5251315, 6301578, 10502630, 15753945, 31507890]

約数ペア:

[(1, 31507890), (2, 15753945), (3, 10502630), (5, 6301578), (6, 5251315), (10, 3150789), (15, 2100526), (19, 1658310), (30, 1050263), (38, 829155), (57, 552770), (95, 331662), (114, 276385), (167, 188670), (190, 165831), (285, 110554), (331, 95190), (334, 94335), (501, 62890), (570, 55277), (662, 47595), (835, 37734), (993, 31730), (1002, 31445), (1655, 19038), (1670, 18867), (1986, 15865), (2505, 12578), (3173, 9930), (3310, 9519), (4965, 6346), (5010, 6289)]