20181207780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{911527}}^1$

素因数の和:911586

約数の個数: 96

約数和(自身を含む): 64317415680

約数和(自身を除く): 44136207900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 41, 45, 54, 60, 82, 90, 108, 123, 135, 164, 180, 205, 246, 270, 369, 410, 492, 540, 615, 738, 820, 1107, 1230, 1476, 1845, 2214, 2460, 3690, 4428, 5535, 7380, 11070, 22140, 911527, 1823054, 2734581, 3646108, 4557635, 5469162, 8203743, 9115270, 10938324, 13672905, 16407486, 18230540, 24611229, 27345810, 32814972, 37372607, 41018715, 49222458, 54691620, 74745214, 82037430, 98444916, 112117821, 123056145, 149490428, 164074860, 186863035, 224235642, 246112290, 336353463, 373726070, 448471284, 492224580, 560589105, 672706926, 747452140, 1009060389, 1121178210, 1345413852, 1681767315, 2018120778, 2242356420, 3363534630, 4036241556, 5045301945, 6727069260, 10090603890, 20181207780]

約数ペア:

[(1, 20181207780), (2, 10090603890), (3, 6727069260), (4, 5045301945), (5, 4036241556), (6, 3363534630), (9, 2242356420), (10, 2018120778), (12, 1681767315), (15, 1345413852), (18, 1121178210), (20, 1009060389), (27, 747452140), (30, 672706926), (36, 560589105), (41, 492224580), (45, 448471284), (54, 373726070), (60, 336353463), (82, 246112290), (90, 224235642), (108, 186863035), (123, 164074860), (135, 149490428), (164, 123056145), (180, 112117821), (205, 98444916), (246, 82037430), (270, 74745214), (369, 54691620), (410, 49222458), (492, 41018715), (540, 37372607), (615, 32814972), (738, 27345810), (820, 24611229), (1107, 18230540), (1230, 16407486), (1476, 13672905), (1845, 10938324), (2214, 9115270), (2460, 8203743), (3690, 5469162), (4428, 4557635), (5535, 3646108), (7380, 2734581), (11070, 1823054), (22140, 911527)]