220777725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{853}}^1$

素因数の和:919

約数の個数: 96

約数和(自身を含む): 457470720

約数和(自身を除く): 236692995

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 29, 35, 51, 75, 85, 87, 105, 119, 145, 175, 203, 255, 357, 425, 435, 493, 525, 595, 609, 725, 853, 1015, 1275, 1479, 1785, 2175, 2465, 2559, 2975, 3045, 3451, 4265, 5075, 5971, 7395, 8925, 10353, 12325, 12795, 14501, 15225, 17255, 17913, 21325, 24737, 29855, 36975, 43503, 51765, 63975, 72505, 74211, 86275, 89565, 101507, 123685, 149275, 173159, 217515, 258825, 304521, 362525, 371055, 420529, 447825, 507535, 519477, 618425, 865795, 1087575, 1261587, 1522605, 1855275, 2102645, 2537675, 2597385, 2943703, 4328975, 6307935, 7613025, 8831109, 10513225, 12986925, 14718515, 31539675, 44155545, 73592575, 220777725]

約数ペア:

[(1, 220777725), (3, 73592575), (5, 44155545), (7, 31539675), (15, 14718515), (17, 12986925), (21, 10513225), (25, 8831109), (29, 7613025), (35, 6307935), (51, 4328975), (75, 2943703), (85, 2597385), (87, 2537675), (105, 2102645), (119, 1855275), (145, 1522605), (175, 1261587), (203, 1087575), (255, 865795), (357, 618425), (425, 519477), (435, 507535), (493, 447825), (525, 420529), (595, 371055), (609, 362525), (725, 304521), (853, 258825), (1015, 217515), (1275, 173159), (1479, 149275), (1785, 123685), (2175, 101507), (2465, 89565), (2559, 86275), (2975, 74211), (3045, 72505), (3451, 63975), (4265, 51765), (5075, 43503), (5971, 36975), (7395, 29855), (8925, 24737), (10353, 21325), (12325, 17913), (12795, 17255), (14501, 15225)]