81864900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{6997}}^1$

素因数の和:7030

約数の個数: 108

約数和(自身を含む): 276379012

約数和(自身を除く): 194514112

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 30, 36, 39, 45, 50, 52, 60, 65, 75, 78, 90, 100, 117, 130, 150, 156, 180, 195, 225, 234, 260, 300, 325, 390, 450, 468, 585, 650, 780, 900, 975, 1170, 1300, 1950, 2340, 2925, 3900, 5850, 6997, 11700, 13994, 20991, 27988, 34985, 41982, 62973, 69970, 83964, 90961, 104955, 125946, 139940, 174925, 181922, 209910, 251892, 272883, 314865, 349850, 363844, 419820, 454805, 524775, 545766, 629730, 699700, 818649, 909610, 1049550, 1091532, 1259460, 1364415, 1574325, 1637298, 1819220, 2099100, 2274025, 2728830, 3148650, 3274596, 4093245, 4548050, 5457660, 6297300, 6822075, 8186490, 9096100, 13644150, 16372980, 20466225, 27288300, 40932450, 81864900]

約数ペア:

[(1, 81864900), (2, 40932450), (3, 27288300), (4, 20466225), (5, 16372980), (6, 13644150), (9, 9096100), (10, 8186490), (12, 6822075), (13, 6297300), (15, 5457660), (18, 4548050), (20, 4093245), (25, 3274596), (26, 3148650), (30, 2728830), (36, 2274025), (39, 2099100), (45, 1819220), (50, 1637298), (52, 1574325), (60, 1364415), (65, 1259460), (75, 1091532), (78, 1049550), (90, 909610), (100, 818649), (117, 699700), (130, 629730), (150, 545766), (156, 524775), (180, 454805), (195, 419820), (225, 363844), (234, 349850), (260, 314865), (300, 272883), (325, 251892), (390, 209910), (450, 181922), (468, 174925), (585, 139940), (650, 125946), (780, 104955), (900, 90961), (975, 83964), (1170, 69970), (1300, 62973), (1950, 41982), (2340, 34985), (2925, 27988), (3900, 20991), (5850, 13994), (6997, 11700)]