72070990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1$

素因数の和:517

約数の個数: 64

約数和(自身を含む): 147666240

約数和(自身を除く): 75595250

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 53, 85, 95, 106, 170, 190, 265, 323, 421, 530, 646, 842, 901, 1007, 1615, 1802, 2014, 2105, 3230, 4210, 4505, 5035, 7157, 7999, 9010, 10070, 14314, 15998, 17119, 22313, 34238, 35785, 39995, 44626, 71570, 79990, 85595, 111565, 135983, 171190, 223130, 271966, 379321, 423947, 679915, 758642, 847894, 1359830, 1896605, 2119735, 3793210, 4239470, 7207099, 14414198, 36035495, 72070990]

約数ペア:

[(1, 72070990), (2, 36035495), (5, 14414198), (10, 7207099), (17, 4239470), (19, 3793210), (34, 2119735), (38, 1896605), (53, 1359830), (85, 847894), (95, 758642), (106, 679915), (170, 423947), (190, 379321), (265, 271966), (323, 223130), (421, 171190), (530, 135983), (646, 111565), (842, 85595), (901, 79990), (1007, 71570), (1615, 44626), (1802, 39995), (2014, 35785), (2105, 34238), (3230, 22313), (4210, 17119), (4505, 15998), (5035, 14314), (7157, 10070), (7999, 9010)]