123847640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{19231}}^1$

素因数の和:19272

約数の個数: 64

約数和(自身を含む): 332328960

約数和(自身を除く): 208481320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 19231, 38462, 76924, 96155, 134617, 153848, 192310, 269234, 384620, 442313, 538468, 673085, 769240, 884626, 1076936, 1346170, 1769252, 2211565, 2692340, 3096191, 3538504, 4423130, 5384680, 6192382, 8846260, 12384764, 15480955, 17692520, 24769528, 30961910, 61923820, 123847640]

約数ペア:

[(1, 123847640), (2, 61923820), (4, 30961910), (5, 24769528), (7, 17692520), (8, 15480955), (10, 12384764), (14, 8846260), (20, 6192382), (23, 5384680), (28, 4423130), (35, 3538504), (40, 3096191), (46, 2692340), (56, 2211565), (70, 1769252), (92, 1346170), (115, 1076936), (140, 884626), (161, 769240), (184, 673085), (230, 538468), (280, 442313), (322, 384620), (460, 269234), (644, 192310), (805, 153848), (920, 134617), (1288, 96155), (1610, 76924), (3220, 38462), (6440, 19231)]