12890430

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:143

約数の個数: 144

約数和(自身を含む): 40547520

約数和(自身を除く): 27657090

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 37, 42, 45, 49, 63, 70, 74, 79, 90, 98, 105, 111, 126, 147, 158, 185, 210, 222, 237, 245, 259, 294, 315, 333, 370, 395, 441, 474, 490, 518, 553, 555, 630, 666, 711, 735, 777, 790, 882, 1106, 1110, 1185, 1295, 1422, 1470, 1554, 1659, 1665, 1813, 2205, 2331, 2370, 2590, 2765, 2923, 3318, 3330, 3555, 3626, 3871, 3885, 4410, 4662, 4977, 5439, 5530, 5846, 7110, 7742, 7770, 8295, 8769, 9065, 9954, 10878, 11613, 11655, 14615, 16317, 16590, 17538, 18130, 19355, 20461, 23226, 23310, 24885, 26307, 27195, 29230, 32634, 34839, 38710, 40922, 43845, 49770, 52614, 54390, 58065, 61383, 69678, 81585, 87690, 102305, 116130, 122766, 131535, 143227, 163170, 174195, 184149, 204610, 263070, 286454, 306915, 348390, 368298, 429681, 613830, 716135, 859362, 920745, 1289043, 1432270, 1841490, 2148405, 2578086, 4296810, 6445215, 12890430]

約数ペア:

[(1, 12890430), (2, 6445215), (3, 4296810), (5, 2578086), (6, 2148405), (7, 1841490), (9, 1432270), (10, 1289043), (14, 920745), (15, 859362), (18, 716135), (21, 613830), (30, 429681), (35, 368298), (37, 348390), (42, 306915), (45, 286454), (49, 263070), (63, 204610), (70, 184149), (74, 174195), (79, 163170), (90, 143227), (98, 131535), (105, 122766), (111, 116130), (126, 102305), (147, 87690), (158, 81585), (185, 69678), (210, 61383), (222, 58065), (237, 54390), (245, 52614), (259, 49770), (294, 43845), (315, 40922), (333, 38710), (370, 34839), (395, 32634), (441, 29230), (474, 27195), (490, 26307), (518, 24885), (553, 23310), (555, 23226), (630, 20461), (666, 19355), (711, 18130), (735, 17538), (777, 16590), (790, 16317), (882, 14615), (1106, 11655), (1110, 11613), (1185, 10878), (1295, 9954), (1422, 9065), (1470, 8769), (1554, 8295), (1659, 7770), (1665, 7742), (1813, 7110), (2205, 5846), (2331, 5530), (2370, 5439), (2590, 4977), (2765, 4662), (2923, 4410), (3318, 3885), (3330, 3871), (3555, 3626)]