72417840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{27431}}^1$

素因数の和:27458

約数の個数: 80

約数和(自身を含む): 244912896

約数和(自身を除く): 172495056

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 27431, 54862, 82293, 109724, 137155, 164586, 219448, 274310, 301741, 329172, 411465, 438896, 548620, 603482, 658344, 822930, 905223, 1097240, 1206964, 1316688, 1508705, 1645860, 1810446, 2194480, 2413928, 3017410, 3291720, 3620892, 4526115, 4827856, 6034820, 6583440, 7241784, 9052230, 12069640, 14483568, 18104460, 24139280, 36208920, 72417840]

約数ペア:

[(1, 72417840), (2, 36208920), (3, 24139280), (4, 18104460), (5, 14483568), (6, 12069640), (8, 9052230), (10, 7241784), (11, 6583440), (12, 6034820), (15, 4827856), (16, 4526115), (20, 3620892), (22, 3291720), (24, 3017410), (30, 2413928), (33, 2194480), (40, 1810446), (44, 1645860), (48, 1508705), (55, 1316688), (60, 1206964), (66, 1097240), (80, 905223), (88, 822930), (110, 658344), (120, 603482), (132, 548620), (165, 438896), (176, 411465), (220, 329172), (240, 301741), (264, 274310), (330, 219448), (440, 164586), (528, 137155), (660, 109724), (880, 82293), (1320, 54862), (2640, 27431)]