1279896640

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{15809}}^1$

素因数の和:15860

約数の個数: 112

約数和(自身を含む): 3469599360

約数和(自身を除く): 2189702720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 32, 40, 44, 46, 55, 64, 80, 88, 92, 110, 115, 160, 176, 184, 220, 230, 253, 320, 352, 368, 440, 460, 506, 704, 736, 880, 920, 1012, 1265, 1472, 1760, 1840, 2024, 2530, 3520, 3680, 4048, 5060, 7360, 8096, 10120, 15809, 16192, 20240, 31618, 40480, 63236, 79045, 80960, 126472, 158090, 173899, 252944, 316180, 347798, 363607, 505888, 632360, 695596, 727214, 869495, 1011776, 1264720, 1391192, 1454428, 1738990, 1818035, 2529440, 2782384, 2908856, 3477980, 3636070, 3999677, 5058880, 5564768, 5817712, 6955960, 7272140, 7999354, 11129536, 11635424, 13911920, 14544280, 15998708, 19998385, 23270848, 27823840, 29088560, 31997416, 39996770, 55647680, 58177120, 63994832, 79993540, 116354240, 127989664, 159987080, 255979328, 319974160, 639948320, 1279896640]

約数ペア:

[(1, 1279896640), (2, 639948320), (4, 319974160), (5, 255979328), (8, 159987080), (10, 127989664), (11, 116354240), (16, 79993540), (20, 63994832), (22, 58177120), (23, 55647680), (32, 39996770), (40, 31997416), (44, 29088560), (46, 27823840), (55, 23270848), (64, 19998385), (80, 15998708), (88, 14544280), (92, 13911920), (110, 11635424), (115, 11129536), (160, 7999354), (176, 7272140), (184, 6955960), (220, 5817712), (230, 5564768), (253, 5058880), (320, 3999677), (352, 3636070), (368, 3477980), (440, 2908856), (460, 2782384), (506, 2529440), (704, 1818035), (736, 1738990), (880, 1454428), (920, 1391192), (1012, 1264720), (1265, 1011776), (1472, 869495), (1760, 727214), (1840, 695596), (2024, 632360), (2530, 505888), (3520, 363607), (3680, 347798), (4048, 316180), (5060, 252944), (7360, 173899), (8096, 158090), (10120, 126472), (15809, 80960), (16192, 79045), (20240, 63236), (31618, 40480)]