188940420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{17791}}^1$

素因数の和:17865

約数の個数: 72

約数和(自身を含む): 582865920

約数和(自身を除く): 393925500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 90, 118, 177, 180, 236, 295, 354, 531, 590, 708, 885, 1062, 1180, 1770, 2124, 2655, 3540, 5310, 10620, 17791, 35582, 53373, 71164, 88955, 106746, 160119, 177910, 213492, 266865, 320238, 355820, 533730, 640476, 800595, 1049669, 1067460, 1601190, 2099338, 3149007, 3202380, 4198676, 5248345, 6298014, 9447021, 10496690, 12596028, 15745035, 18894042, 20993380, 31490070, 37788084, 47235105, 62980140, 94470210, 188940420]

約数ペア:

[(1, 188940420), (2, 94470210), (3, 62980140), (4, 47235105), (5, 37788084), (6, 31490070), (9, 20993380), (10, 18894042), (12, 15745035), (15, 12596028), (18, 10496690), (20, 9447021), (30, 6298014), (36, 5248345), (45, 4198676), (59, 3202380), (60, 3149007), (90, 2099338), (118, 1601190), (177, 1067460), (180, 1049669), (236, 800595), (295, 640476), (354, 533730), (531, 355820), (590, 320238), (708, 266865), (885, 213492), (1062, 177910), (1180, 160119), (1770, 106746), (2124, 88955), (2655, 71164), (3540, 53373), (5310, 35582), (10620, 17791)]