85815720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{439}}^1$

素因数の和:640

約数の個数: 128

約数和(自身を含む): 288288000

約数和(自身を除く): 202472280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 181, 216, 270, 360, 362, 439, 540, 543, 724, 878, 905, 1080, 1086, 1317, 1448, 1629, 1756, 1810, 2172, 2195, 2634, 2715, 3258, 3512, 3620, 3951, 4344, 4390, 4887, 5268, 5430, 6516, 6585, 7240, 7902, 8145, 8780, 9774, 10536, 10860, 11853, 13032, 13170, 15804, 16290, 17560, 19548, 19755, 21720, 23706, 24435, 26340, 31608, 32580, 39096, 39510, 47412, 48870, 52680, 59265, 65160, 79020, 79459, 94824, 97740, 118530, 158040, 158918, 195480, 237060, 238377, 317836, 397295, 474120, 476754, 635672, 715131, 794590, 953508, 1191885, 1430262, 1589180, 1907016, 2145393, 2383770, 2860524, 3178360, 3575655, 4290786, 4767540, 5721048, 7151310, 8581572, 9535080, 10726965, 14302620, 17163144, 21453930, 28605240, 42907860, 85815720]

約数ペア:

[(1, 85815720), (2, 42907860), (3, 28605240), (4, 21453930), (5, 17163144), (6, 14302620), (8, 10726965), (9, 9535080), (10, 8581572), (12, 7151310), (15, 5721048), (18, 4767540), (20, 4290786), (24, 3575655), (27, 3178360), (30, 2860524), (36, 2383770), (40, 2145393), (45, 1907016), (54, 1589180), (60, 1430262), (72, 1191885), (90, 953508), (108, 794590), (120, 715131), (135, 635672), (180, 476754), (181, 474120), (216, 397295), (270, 317836), (360, 238377), (362, 237060), (439, 195480), (540, 158918), (543, 158040), (724, 118530), (878, 97740), (905, 94824), (1080, 79459), (1086, 79020), (1317, 65160), (1448, 59265), (1629, 52680), (1756, 48870), (1810, 47412), (2172, 39510), (2195, 39096), (2634, 32580), (2715, 31608), (3258, 26340), (3512, 24435), (3620, 23706), (3951, 21720), (4344, 19755), (4390, 19548), (4887, 17560), (5268, 16290), (5430, 15804), (6516, 13170), (6585, 13032), (7240, 11853), (7902, 10860), (8145, 10536), (8780, 9774)]