1801477980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{863}}^1\times {\mathrm{11597}}^1$

素因数の和:12475

約数の個数: 72

約数和(自身を含む): 5471286912

約数和(自身を除く): 3669808932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 863, 1726, 2589, 3452, 4315, 5178, 7767, 8630, 10356, 11597, 12945, 15534, 17260, 23194, 25890, 31068, 34791, 38835, 46388, 51780, 57985, 69582, 77670, 104373, 115970, 139164, 155340, 173955, 208746, 231940, 347910, 417492, 521865, 695820, 1043730, 2087460, 10008211, 20016422, 30024633, 40032844, 50041055, 60049266, 90073899, 100082110, 120098532, 150123165, 180147798, 200164220, 300246330, 360295596, 450369495, 600492660, 900738990, 1801477980]

約数ペア:

[(1, 1801477980), (2, 900738990), (3, 600492660), (4, 450369495), (5, 360295596), (6, 300246330), (9, 200164220), (10, 180147798), (12, 150123165), (15, 120098532), (18, 100082110), (20, 90073899), (30, 60049266), (36, 50041055), (45, 40032844), (60, 30024633), (90, 20016422), (180, 10008211), (863, 2087460), (1726, 1043730), (2589, 695820), (3452, 521865), (4315, 417492), (5178, 347910), (7767, 231940), (8630, 208746), (10356, 173955), (11597, 155340), (12945, 139164), (15534, 115970), (17260, 104373), (23194, 77670), (25890, 69582), (31068, 57985), (34791, 51780), (38835, 46388)]