171631440

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{439}}^1$

素因数の和:642

約数の個数: 160

約数和(自身を含む): 595795200

約数和(自身を除く): 424163760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 181, 216, 240, 270, 360, 362, 432, 439, 540, 543, 720, 724, 878, 905, 1080, 1086, 1317, 1448, 1629, 1756, 1810, 2160, 2172, 2195, 2634, 2715, 2896, 3258, 3512, 3620, 3951, 4344, 4390, 4887, 5268, 5430, 6516, 6585, 7024, 7240, 7902, 8145, 8688, 8780, 9774, 10536, 10860, 11853, 13032, 13170, 14480, 15804, 16290, 17560, 19548, 19755, 21072, 21720, 23706, 24435, 26064, 26340, 31608, 32580, 35120, 39096, 39510, 43440, 47412, 48870, 52680, 59265, 63216, 65160, 78192, 79020, 79459, 94824, 97740, 105360, 118530, 130320, 158040, 158918, 189648, 195480, 237060, 238377, 316080, 317836, 390960, 397295, 474120, 476754, 635672, 715131, 794590, 948240, 953508, 1191885, 1271344, 1430262, 1589180, 1907016, 2145393, 2383770, 2860524, 3178360, 3575655, 3814032, 4290786, 4767540, 5721048, 6356720, 7151310, 8581572, 9535080, 10726965, 11442096, 14302620, 17163144, 19070160, 21453930, 28605240, 34326288, 42907860, 57210480, 85815720, 171631440]

約数ペア:

[(1, 171631440), (2, 85815720), (3, 57210480), (4, 42907860), (5, 34326288), (6, 28605240), (8, 21453930), (9, 19070160), (10, 17163144), (12, 14302620), (15, 11442096), (16, 10726965), (18, 9535080), (20, 8581572), (24, 7151310), (27, 6356720), (30, 5721048), (36, 4767540), (40, 4290786), (45, 3814032), (48, 3575655), (54, 3178360), (60, 2860524), (72, 2383770), (80, 2145393), (90, 1907016), (108, 1589180), (120, 1430262), (135, 1271344), (144, 1191885), (180, 953508), (181, 948240), (216, 794590), (240, 715131), (270, 635672), (360, 476754), (362, 474120), (432, 397295), (439, 390960), (540, 317836), (543, 316080), (720, 238377), (724, 237060), (878, 195480), (905, 189648), (1080, 158918), (1086, 158040), (1317, 130320), (1448, 118530), (1629, 105360), (1756, 97740), (1810, 94824), (2160, 79459), (2172, 79020), (2195, 78192), (2634, 65160), (2715, 63216), (2896, 59265), (3258, 52680), (3512, 48870), (3620, 47412), (3951, 43440), (4344, 39510), (4390, 39096), (4887, 35120), (5268, 32580), (5430, 31608), (6516, 26340), (6585, 26064), (7024, 24435), (7240, 23706), (7902, 21720), (8145, 21072), (8688, 19755), (8780, 19548), (9774, 17560), (10536, 16290), (10860, 15804), (11853, 14480), (13032, 13170)]