260178360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{166781}}^1$

素因数の和:166808

約数の個数: 64

約数和(自身を含む): 840581280

約数和(自身を除く): 580402920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 166781, 333562, 500343, 667124, 833905, 1000686, 1334248, 1667810, 2001372, 2168153, 2501715, 3335620, 4002744, 4336306, 5003430, 6504459, 6671240, 8672612, 10006860, 10840765, 13008918, 17345224, 20013720, 21681530, 26017836, 32522295, 43363060, 52035672, 65044590, 86726120, 130089180, 260178360]

約数ペア:

[(1, 260178360), (2, 130089180), (3, 86726120), (4, 65044590), (5, 52035672), (6, 43363060), (8, 32522295), (10, 26017836), (12, 21681530), (13, 20013720), (15, 17345224), (20, 13008918), (24, 10840765), (26, 10006860), (30, 8672612), (39, 6671240), (40, 6504459), (52, 5003430), (60, 4336306), (65, 4002744), (78, 3335620), (104, 2501715), (120, 2168153), (130, 2001372), (156, 1667810), (195, 1334248), (260, 1000686), (312, 833905), (390, 667124), (520, 500343), (780, 333562), (1560, 166781)]