72449820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5669}}^1$

素因数の和:5755

約数の個数: 72

約数和(自身を含む): 222899040

約数和(自身を除く): 150449220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 5669, 6390, 11338, 12780, 17007, 22676, 28345, 34014, 51021, 56690, 68028, 85035, 102042, 113380, 170070, 204084, 255105, 340140, 402499, 510210, 804998, 1020420, 1207497, 1609996, 2012495, 2414994, 3622491, 4024990, 4829988, 6037485, 7244982, 8049980, 12074970, 14489964, 18112455, 24149940, 36224910, 72449820]

約数ペア:

[(1, 72449820), (2, 36224910), (3, 24149940), (4, 18112455), (5, 14489964), (6, 12074970), (9, 8049980), (10, 7244982), (12, 6037485), (15, 4829988), (18, 4024990), (20, 3622491), (30, 2414994), (36, 2012495), (45, 1609996), (60, 1207497), (71, 1020420), (90, 804998), (142, 510210), (180, 402499), (213, 340140), (284, 255105), (355, 204084), (426, 170070), (639, 113380), (710, 102042), (852, 85035), (1065, 68028), (1278, 56690), (1420, 51021), (2130, 34014), (2556, 28345), (3195, 22676), (4260, 17007), (5669, 12780), (6390, 11338)]