71784020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{6659}}^1$

素因数の和:6693

約数の個数: 72

約数和(自身を含む): 191328480

約数和(自身を除く): 119544460

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 6659, 10780, 13318, 26636, 33295, 46613, 66590, 73249, 93226, 133180, 146498, 186452, 233065, 292996, 326291, 366245, 466130, 512743, 652582, 732490, 932260, 1025486, 1305164, 1464980, 1631455, 2050972, 2563715, 3262910, 3589201, 5127430, 6525820, 7178402, 10254860, 14356804, 17946005, 35892010, 71784020]

約数ペア:

[(1, 71784020), (2, 35892010), (4, 17946005), (5, 14356804), (7, 10254860), (10, 7178402), (11, 6525820), (14, 5127430), (20, 3589201), (22, 3262910), (28, 2563715), (35, 2050972), (44, 1631455), (49, 1464980), (55, 1305164), (70, 1025486), (77, 932260), (98, 732490), (110, 652582), (140, 512743), (154, 466130), (196, 366245), (220, 326291), (245, 292996), (308, 233065), (385, 186452), (490, 146498), (539, 133180), (770, 93226), (980, 73249), (1078, 66590), (1540, 46613), (2156, 33295), (2695, 26636), (5390, 13318), (6659, 10780)]