31480620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1$

素因数の和:311

約数の個数: 96

約数和(自身を含む): 92123136

約数和(自身を除く): 60642516

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 67, 82, 123, 134, 164, 191, 201, 205, 246, 268, 335, 382, 402, 410, 492, 573, 615, 670, 764, 804, 820, 955, 1005, 1146, 1230, 1340, 1910, 2010, 2292, 2460, 2747, 2865, 3820, 4020, 5494, 5730, 7831, 8241, 10988, 11460, 12797, 13735, 15662, 16482, 23493, 25594, 27470, 31324, 32964, 38391, 39155, 41205, 46986, 51188, 54940, 63985, 76782, 78310, 82410, 93972, 117465, 127970, 153564, 156620, 164820, 191955, 234930, 255940, 383910, 469860, 524677, 767820, 1049354, 1574031, 2098708, 2623385, 3148062, 5246770, 6296124, 7870155, 10493540, 15740310, 31480620]

約数ペア:

[(1, 31480620), (2, 15740310), (3, 10493540), (4, 7870155), (5, 6296124), (6, 5246770), (10, 3148062), (12, 2623385), (15, 2098708), (20, 1574031), (30, 1049354), (41, 767820), (60, 524677), (67, 469860), (82, 383910), (123, 255940), (134, 234930), (164, 191955), (191, 164820), (201, 156620), (205, 153564), (246, 127970), (268, 117465), (335, 93972), (382, 82410), (402, 78310), (410, 76782), (492, 63985), (573, 54940), (615, 51188), (670, 46986), (764, 41205), (804, 39155), (820, 38391), (955, 32964), (1005, 31324), (1146, 27470), (1230, 25594), (1340, 23493), (1910, 16482), (2010, 15662), (2292, 13735), (2460, 12797), (2747, 11460), (2865, 10988), (3820, 8241), (4020, 7831), (5494, 5730)]