172390320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{239431}}^1$

素因数の和:239450

約数の個数: 60

約数和(自身を含む): 578946576

約数和(自身を除く): 406556256

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 239431, 478862, 718293, 957724, 1197155, 1436586, 1915448, 2154879, 2394310, 2873172, 3591465, 3830896, 4309758, 4788620, 5746344, 7182930, 8619516, 9577240, 10774395, 11492688, 14365860, 17239032, 19154480, 21548790, 28731720, 34478064, 43097580, 57463440, 86195160, 172390320]

約数ペア:

[(1, 172390320), (2, 86195160), (3, 57463440), (4, 43097580), (5, 34478064), (6, 28731720), (8, 21548790), (9, 19154480), (10, 17239032), (12, 14365860), (15, 11492688), (16, 10774395), (18, 9577240), (20, 8619516), (24, 7182930), (30, 5746344), (36, 4788620), (40, 4309758), (45, 3830896), (48, 3591465), (60, 2873172), (72, 2394310), (80, 2154879), (90, 1915448), (120, 1436586), (144, 1197155), (180, 957724), (240, 718293), (360, 478862), (720, 239431)]