161902980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{39107}}^1$

素因数の和:39145

約数の個数: 72

約数和(自身を含む): 512471232

約数和(自身を除く): 350568252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 39107, 78214, 117321, 156428, 195535, 234642, 351963, 391070, 469284, 586605, 703926, 782140, 899461, 1173210, 1407852, 1759815, 1798922, 2346420, 2698383, 3519630, 3597844, 4497305, 5396766, 7039260, 8095149, 8994610, 10793532, 13491915, 16190298, 17989220, 26983830, 32380596, 40475745, 53967660, 80951490, 161902980]

約数ペア:

[(1, 161902980), (2, 80951490), (3, 53967660), (4, 40475745), (5, 32380596), (6, 26983830), (9, 17989220), (10, 16190298), (12, 13491915), (15, 10793532), (18, 8994610), (20, 8095149), (23, 7039260), (30, 5396766), (36, 4497305), (45, 3597844), (46, 3519630), (60, 2698383), (69, 2346420), (90, 1798922), (92, 1759815), (115, 1407852), (138, 1173210), (180, 899461), (207, 782140), (230, 703926), (276, 586605), (345, 469284), (414, 391070), (460, 351963), (690, 234642), (828, 195535), (1035, 156428), (1380, 117321), (2070, 78214), (4140, 39107)]