81665610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:252

約数の個数: 128

約数和(自身を含む): 226437120

約数和(自身を除く): 144771510

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 57, 65, 78, 95, 103, 107, 114, 130, 190, 195, 206, 214, 247, 285, 309, 321, 390, 494, 515, 535, 570, 618, 642, 741, 1030, 1070, 1235, 1339, 1391, 1482, 1545, 1605, 1957, 2033, 2470, 2678, 2782, 3090, 3210, 3705, 3914, 4017, 4066, 4173, 5871, 6099, 6695, 6955, 7410, 8034, 8346, 9785, 10165, 11021, 11742, 12198, 13390, 13910, 19570, 20085, 20330, 20865, 22042, 25441, 26429, 29355, 30495, 33063, 40170, 41730, 50882, 52858, 55105, 58710, 60990, 66126, 76323, 79287, 110210, 127205, 132145, 143273, 152646, 158574, 165315, 209399, 254410, 264290, 286546, 330630, 381615, 396435, 418798, 429819, 628197, 716365, 763230, 792870, 859638, 1046995, 1256394, 1432730, 2093990, 2149095, 2722187, 3140985, 4298190, 5444374, 6281970, 8166561, 13610935, 16333122, 27221870, 40832805, 81665610]

約数ペア:

[(1, 81665610), (2, 40832805), (3, 27221870), (5, 16333122), (6, 13610935), (10, 8166561), (13, 6281970), (15, 5444374), (19, 4298190), (26, 3140985), (30, 2722187), (38, 2149095), (39, 2093990), (57, 1432730), (65, 1256394), (78, 1046995), (95, 859638), (103, 792870), (107, 763230), (114, 716365), (130, 628197), (190, 429819), (195, 418798), (206, 396435), (214, 381615), (247, 330630), (285, 286546), (309, 264290), (321, 254410), (390, 209399), (494, 165315), (515, 158574), (535, 152646), (570, 143273), (618, 132145), (642, 127205), (741, 110210), (1030, 79287), (1070, 76323), (1235, 66126), (1339, 60990), (1391, 58710), (1482, 55105), (1545, 52858), (1605, 50882), (1957, 41730), (2033, 40170), (2470, 33063), (2678, 30495), (2782, 29355), (3090, 26429), (3210, 25441), (3705, 22042), (3914, 20865), (4017, 20330), (4066, 20085), (4173, 19570), (5871, 13910), (6099, 13390), (6695, 12198), (6955, 11742), (7410, 11021), (8034, 10165), (8346, 9785)]