80540640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{55931}}^1$

素因数の和:55952

約数の個数: 72

約数和(自身を含む): 274849848

約数和(自身を除く): 194309208

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 55931, 111862, 167793, 223724, 279655, 335586, 447448, 503379, 559310, 671172, 838965, 894896, 1006758, 1118620, 1342344, 1677930, 1789792, 2013516, 2237240, 2516895, 2684688, 3355860, 4027032, 4474480, 5033790, 5369376, 6711720, 8054064, 8948960, 10067580, 13423440, 16108128, 20135160, 26846880, 40270320, 80540640]

約数ペア:

[(1, 80540640), (2, 40270320), (3, 26846880), (4, 20135160), (5, 16108128), (6, 13423440), (8, 10067580), (9, 8948960), (10, 8054064), (12, 6711720), (15, 5369376), (16, 5033790), (18, 4474480), (20, 4027032), (24, 3355860), (30, 2684688), (32, 2516895), (36, 2237240), (40, 2013516), (45, 1789792), (48, 1677930), (60, 1342344), (72, 1118620), (80, 1006758), (90, 894896), (96, 838965), (120, 671172), (144, 559310), (160, 503379), (180, 447448), (240, 335586), (288, 279655), (360, 223724), (480, 167793), (720, 111862), (1440, 55931)]