64390320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{89431}}^1$

素因数の和:89450

約数の個数: 60

約数和(自身を含む): 216246576

約数和(自身を除く): 151856256

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, 89431, 178862, 268293, 357724, 447155, 536586, 715448, 804879, 894310, 1073172, 1341465, 1430896, 1609758, 1788620, 2146344, 2682930, 3219516, 3577240, 4024395, 4292688, 5365860, 6439032, 7154480, 8048790, 10731720, 12878064, 16097580, 21463440, 32195160, 64390320]

約数ペア:

[(1, 64390320), (2, 32195160), (3, 21463440), (4, 16097580), (5, 12878064), (6, 10731720), (8, 8048790), (9, 7154480), (10, 6439032), (12, 5365860), (15, 4292688), (16, 4024395), (18, 3577240), (20, 3219516), (24, 2682930), (30, 2146344), (36, 1788620), (40, 1609758), (45, 1430896), (48, 1341465), (60, 1073172), (72, 894310), (80, 804879), (90, 715448), (120, 536586), (144, 447155), (180, 357724), (240, 268293), (360, 178862), (720, 89431)]