256673025

素因数分解:

$3^2\times 5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{751}}^1$

素因数の和:812

約数の個数: 108

約数和(自身を含む): 552774144

約数和(自身を除く): 296101119

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 31, 35, 45, 49, 63, 75, 93, 105, 147, 155, 175, 217, 225, 245, 279, 315, 441, 465, 525, 651, 735, 751, 775, 1085, 1225, 1395, 1519, 1575, 1953, 2205, 2253, 2325, 3255, 3675, 3755, 4557, 5257, 5425, 6759, 6975, 7595, 9765, 11025, 11265, 13671, 15771, 16275, 18775, 22785, 23281, 26285, 33795, 36799, 37975, 47313, 48825, 56325, 68355, 69843, 78855, 110397, 113925, 116405, 131425, 162967, 168975, 183995, 209529, 236565, 331191, 341775, 349215, 394275, 488901, 551985, 582025, 814835, 919975, 1047645, 1140769, 1182825, 1466703, 1655955, 1746075, 2444505, 2759925, 3422307, 4074175, 5238225, 5703845, 7333515, 8279775, 10266921, 12222525, 17111535, 28519225, 36667575, 51334605, 85557675, 256673025]

約数ペア:

[(1, 256673025), (3, 85557675), (5, 51334605), (7, 36667575), (9, 28519225), (15, 17111535), (21, 12222525), (25, 10266921), (31, 8279775), (35, 7333515), (45, 5703845), (49, 5238225), (63, 4074175), (75, 3422307), (93, 2759925), (105, 2444505), (147, 1746075), (155, 1655955), (175, 1466703), (217, 1182825), (225, 1140769), (245, 1047645), (279, 919975), (315, 814835), (441, 582025), (465, 551985), (525, 488901), (651, 394275), (735, 349215), (751, 341775), (775, 331191), (1085, 236565), (1225, 209529), (1395, 183995), (1519, 168975), (1575, 162967), (1953, 131425), (2205, 116405), (2253, 113925), (2325, 110397), (3255, 78855), (3675, 69843), (3755, 68355), (4557, 56325), (5257, 48825), (5425, 47313), (6759, 37975), (6975, 36799), (7595, 33795), (9765, 26285), (11025, 23281), (11265, 22785), (13671, 18775), (15771, 16275)]