621127440

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{359}}^1$

素因数の和:476

約数の個数: 240

約数和(自身を含む): 2193609600

約数和(自身を除く): 1572482160

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, 81, 89, 90, 108, 120, 135, 144, 162, 178, 180, 216, 240, 243, 267, 270, 324, 356, 359, 360, 405, 432, 445, 486, 534, 540, 648, 712, 718, 720, 801, 810, 890, 972, 1068, 1077, 1080, 1215, 1296, 1335, 1424, 1436, 1602, 1620, 1780, 1795, 1944, 2136, 2154, 2160, 2403, 2430, 2670, 2872, 3204, 3231, 3240, 3560, 3590, 3888, 4005, 4272, 4308, 4806, 4860, 5340, 5385, 5744, 6408, 6462, 6480, 7120, 7180, 7209, 8010, 8616, 9612, 9693, 9720, 10680, 10770, 12015, 12816, 12924, 14360, 14418, 16020, 16155, 17232, 19224, 19386, 19440, 21360, 21540, 21627, 24030, 25848, 28720, 28836, 29079, 31951, 32040, 32310, 36045, 38448, 38772, 43080, 43254, 48060, 48465, 51696, 57672, 58158, 63902, 64080, 64620, 72090, 77544, 86160, 86508, 87237, 95853, 96120, 96930, 108135, 115344, 116316, 127804, 129240, 144180, 145395, 155088, 159755, 173016, 174474, 191706, 192240, 193860, 216270, 232632, 255608, 258480, 287559, 288360, 290790, 319510, 346032, 348948, 383412, 387720, 432540, 436185, 465264, 479265, 511216, 575118, 576720, 581580, 639020, 697896, 766824, 775440, 862677, 865080, 872370, 958530, 1150236, 1163160, 1278040, 1395792, 1437795, 1533648, 1725354, 1730160, 1744740, 1917060, 2300472, 2326320, 2556080, 2588031, 2875590, 3450708, 3489480, 3834120, 4313385, 4600944, 5176062, 5751180, 6901416, 6978960, 7668240, 7764093, 8626770, 10352124, 11502360, 12940155, 13802832, 15528186, 17253540, 20704248, 23004720, 25880310, 31056372, 34507080, 38820465, 41408496, 51760620, 62112744, 69014160, 77640930, 103521240, 124225488, 155281860, 207042480, 310563720, 621127440]

約数ペア:

[(1, 621127440), (2, 310563720), (3, 207042480), (4, 155281860), (5, 124225488), (6, 103521240), (8, 77640930), (9, 69014160), (10, 62112744), (12, 51760620), (15, 41408496), (16, 38820465), (18, 34507080), (20, 31056372), (24, 25880310), (27, 23004720), (30, 20704248), (36, 17253540), (40, 15528186), (45, 13802832), (48, 12940155), (54, 11502360), (60, 10352124), (72, 8626770), (80, 7764093), (81, 7668240), (89, 6978960), (90, 6901416), (108, 5751180), (120, 5176062), (135, 4600944), (144, 4313385), (162, 3834120), (178, 3489480), (180, 3450708), (216, 2875590), (240, 2588031), (243, 2556080), (267, 2326320), (270, 2300472), (324, 1917060), (356, 1744740), (359, 1730160), (360, 1725354), (405, 1533648), (432, 1437795), (445, 1395792), (486, 1278040), (534, 1163160), (540, 1150236), (648, 958530), (712, 872370), (718, 865080), (720, 862677), (801, 775440), (810, 766824), (890, 697896), (972, 639020), (1068, 581580), (1077, 576720), (1080, 575118), (1215, 511216), (1296, 479265), (1335, 465264), (1424, 436185), (1436, 432540), (1602, 387720), (1620, 383412), (1780, 348948), (1795, 346032), (1944, 319510), (2136, 290790), (2154, 288360), (2160, 287559), (2403, 258480), (2430, 255608), (2670, 232632), (2872, 216270), (3204, 193860), (3231, 192240), (3240, 191706), (3560, 174474), (3590, 173016), (3888, 159755), (4005, 155088), (4272, 145395), (4308, 144180), (4806, 129240), (4860, 127804), (5340, 116316), (5385, 115344), (5744, 108135), (6408, 96930), (6462, 96120), (6480, 95853), (7120, 87237), (7180, 86508), (7209, 86160), (8010, 77544), (8616, 72090), (9612, 64620), (9693, 64080), (9720, 63902), (10680, 58158), (10770, 57672), (12015, 51696), (12816, 48465), (12924, 48060), (14360, 43254), (14418, 43080), (16020, 38772), (16155, 38448), (17232, 36045), (19224, 32310), (19386, 32040), (19440, 31951), (21360, 29079), (21540, 28836), (21627, 28720), (24030, 25848)]