2561117940

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:301

約数の個数: 288

約数和(自身を含む): 8394212736

約数和(自身を除く): 5833094796

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 53, 54, 60, 61, 81, 90, 106, 108, 122, 135, 159, 162, 163, 180, 183, 212, 243, 244, 265, 270, 305, 318, 324, 326, 366, 405, 477, 486, 489, 530, 540, 549, 610, 636, 652, 732, 795, 810, 815, 915, 954, 972, 978, 1060, 1098, 1215, 1220, 1431, 1467, 1590, 1620, 1630, 1647, 1830, 1908, 1956, 2196, 2385, 2430, 2445, 2745, 2862, 2934, 3180, 3233, 3260, 3294, 3660, 4293, 4401, 4770, 4860, 4890, 4941, 5490, 5724, 5868, 6466, 6588, 7155, 7335, 8235, 8586, 8639, 8802, 9540, 9699, 9780, 9882, 9943, 10980, 12879, 12932, 13203, 14310, 14670, 14823, 16165, 16470, 17172, 17278, 17604, 19398, 19764, 19886, 21465, 22005, 24705, 25758, 25917, 26406, 28620, 29097, 29340, 29646, 29829, 32330, 32940, 34556, 38796, 39609, 39772, 42930, 43195, 44010, 48495, 49410, 49715, 51516, 51834, 52812, 58194, 59292, 59658, 64395, 64660, 66015, 74115, 77751, 79218, 85860, 86390, 87291, 88020, 89487, 96990, 98820, 99430, 103668, 116388, 119316, 128790, 129585, 132030, 145485, 148230, 149145, 155502, 158436, 172780, 174582, 178974, 193980, 198045, 198860, 233253, 257580, 259170, 261873, 264060, 268461, 290970, 296460, 298290, 311004, 349164, 357948, 388755, 396090, 436455, 447435, 466506, 518340, 523746, 526979, 536922, 581940, 596580, 699759, 777510, 785619, 792180, 805383, 872910, 894870, 933012, 1047492, 1053958, 1073844, 1166265, 1309365, 1342305, 1399518, 1555020, 1571238, 1580937, 1610766, 1745820, 1789740, 2099277, 2107916, 2332530, 2416149, 2618730, 2634895, 2684610, 2799036, 3142476, 3161874, 3221532, 3498795, 3928095, 4026915, 4198554, 4665060, 4742811, 4832298, 5237460, 5269790, 5369220, 6323748, 6997590, 7856190, 7904685, 8053830, 8397108, 9485622, 9664596, 10496385, 10539580, 12080745, 13995180, 14228433, 15712380, 15809370, 16107660, 18971244, 20992770, 23714055, 24161490, 28456866, 31618740, 41985540, 42685299, 47428110, 48322980, 56913732, 71142165, 85370598, 94856220, 128055897, 142284330, 170741196, 213426495, 256111794, 284568660, 426852990, 512223588, 640279485, 853705980, 1280558970, 2561117940]

約数ペア:

[(1, 2561117940), (2, 1280558970), (3, 853705980), (4, 640279485), (5, 512223588), (6, 426852990), (9, 284568660), (10, 256111794), (12, 213426495), (15, 170741196), (18, 142284330), (20, 128055897), (27, 94856220), (30, 85370598), (36, 71142165), (45, 56913732), (53, 48322980), (54, 47428110), (60, 42685299), (61, 41985540), (81, 31618740), (90, 28456866), (106, 24161490), (108, 23714055), (122, 20992770), (135, 18971244), (159, 16107660), (162, 15809370), (163, 15712380), (180, 14228433), (183, 13995180), (212, 12080745), (243, 10539580), (244, 10496385), (265, 9664596), (270, 9485622), (305, 8397108), (318, 8053830), (324, 7904685), (326, 7856190), (366, 6997590), (405, 6323748), (477, 5369220), (486, 5269790), (489, 5237460), (530, 4832298), (540, 4742811), (549, 4665060), (610, 4198554), (636, 4026915), (652, 3928095), (732, 3498795), (795, 3221532), (810, 3161874), (815, 3142476), (915, 2799036), (954, 2684610), (972, 2634895), (978, 2618730), (1060, 2416149), (1098, 2332530), (1215, 2107916), (1220, 2099277), (1431, 1789740), (1467, 1745820), (1590, 1610766), (1620, 1580937), (1630, 1571238), (1647, 1555020), (1830, 1399518), (1908, 1342305), (1956, 1309365), (2196, 1166265), (2385, 1073844), (2430, 1053958), (2445, 1047492), (2745, 933012), (2862, 894870), (2934, 872910), (3180, 805383), (3233, 792180), (3260, 785619), (3294, 777510), (3660, 699759), (4293, 596580), (4401, 581940), (4770, 536922), (4860, 526979), (4890, 523746), (4941, 518340), (5490, 466506), (5724, 447435), (5868, 436455), (6466, 396090), (6588, 388755), (7155, 357948), (7335, 349164), (8235, 311004), (8586, 298290), (8639, 296460), (8802, 290970), (9540, 268461), (9699, 264060), (9780, 261873), (9882, 259170), (9943, 257580), (10980, 233253), (12879, 198860), (12932, 198045), (13203, 193980), (14310, 178974), (14670, 174582), (14823, 172780), (16165, 158436), (16470, 155502), (17172, 149145), (17278, 148230), (17604, 145485), (19398, 132030), (19764, 129585), (19886, 128790), (21465, 119316), (22005, 116388), (24705, 103668), (25758, 99430), (25917, 98820), (26406, 96990), (28620, 89487), (29097, 88020), (29340, 87291), (29646, 86390), (29829, 85860), (32330, 79218), (32940, 77751), (34556, 74115), (38796, 66015), (39609, 64660), (39772, 64395), (42930, 59658), (43195, 59292), (44010, 58194), (48495, 52812), (49410, 51834), (49715, 51516)]