161342870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{787}}^1$

素因数の和:909

約数の個数: 64

約数和(自身を含む): 333607680

約数和(自身を除く): 172264810

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 83, 95, 130, 166, 190, 247, 415, 494, 787, 830, 1079, 1235, 1574, 1577, 2158, 2470, 3154, 3935, 5395, 7870, 7885, 10231, 10790, 14953, 15770, 20462, 20501, 29906, 41002, 51155, 65321, 74765, 102310, 102505, 130642, 149530, 194389, 205010, 326605, 388778, 653210, 849173, 971945, 1241099, 1698346, 1943890, 2482198, 4245865, 6205495, 8491730, 12410990, 16134287, 32268574, 80671435, 161342870]

約数ペア:

[(1, 161342870), (2, 80671435), (5, 32268574), (10, 16134287), (13, 12410990), (19, 8491730), (26, 6205495), (38, 4245865), (65, 2482198), (83, 1943890), (95, 1698346), (130, 1241099), (166, 971945), (190, 849173), (247, 653210), (415, 388778), (494, 326605), (787, 205010), (830, 194389), (1079, 149530), (1235, 130642), (1574, 102505), (1577, 102310), (2158, 74765), (2470, 65321), (3154, 51155), (3935, 41002), (5395, 29906), (7870, 20501), (7885, 20462), (10231, 15770), (10790, 14953)]