15704998360

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{128603}}^1$

素因数の和:128728

約数の個数: 64

約数和(自身を含む): 36667572480

約数和(自身を除く): 20962574120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 71, 86, 142, 172, 215, 284, 344, 355, 430, 568, 710, 860, 1420, 1720, 2840, 3053, 6106, 12212, 15265, 24424, 30530, 61060, 122120, 128603, 257206, 514412, 643015, 1028824, 1286030, 2572060, 5144120, 5529929, 9130813, 11059858, 18261626, 22119716, 27649645, 36523252, 44239432, 45654065, 55299290, 73046504, 91308130, 110598580, 182616260, 221197160, 365232520, 392624959, 785249918, 1570499836, 1963124795, 3140999672, 3926249590, 7852499180, 15704998360]

約数ペア:

[(1, 15704998360), (2, 7852499180), (4, 3926249590), (5, 3140999672), (8, 1963124795), (10, 1570499836), (20, 785249918), (40, 392624959), (43, 365232520), (71, 221197160), (86, 182616260), (142, 110598580), (172, 91308130), (215, 73046504), (284, 55299290), (344, 45654065), (355, 44239432), (430, 36523252), (568, 27649645), (710, 22119716), (860, 18261626), (1420, 11059858), (1720, 9130813), (2840, 5529929), (3053, 5144120), (6106, 2572060), (12212, 1286030), (15265, 1028824), (24424, 643015), (30530, 514412), (61060, 257206), (122120, 128603)]