42972720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{25579}}^1$

素因数の和:25602

約数の個数: 80

約数和(自身を含む): 152252160

約数和(自身を除く): 109279440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 25579, 51158, 76737, 102316, 127895, 153474, 179053, 204632, 255790, 306948, 358106, 383685, 409264, 511580, 537159, 613896, 716212, 767370, 895265, 1023160, 1074318, 1227792, 1432424, 1534740, 1790530, 2046320, 2148636, 2685795, 2864848, 3069480, 3581060, 4297272, 5371590, 6138960, 7162120, 8594544, 10743180, 14324240, 21486360, 42972720]

約数ペア:

[(1, 42972720), (2, 21486360), (3, 14324240), (4, 10743180), (5, 8594544), (6, 7162120), (7, 6138960), (8, 5371590), (10, 4297272), (12, 3581060), (14, 3069480), (15, 2864848), (16, 2685795), (20, 2148636), (21, 2046320), (24, 1790530), (28, 1534740), (30, 1432424), (35, 1227792), (40, 1074318), (42, 1023160), (48, 895265), (56, 767370), (60, 716212), (70, 613896), (80, 537159), (84, 511580), (105, 409264), (112, 383685), (120, 358106), (140, 306948), (168, 255790), (210, 204632), (240, 179053), (280, 153474), (336, 127895), (420, 102316), (560, 76737), (840, 51158), (1680, 25579)]