1998415800

素因数分解:

$2^3\times 3^4\times 5^2\times {\mathrm{281}}^1\times {\mathrm{439}}^1$

素因数の和:748

約数の個数: 240

約数和(自身を含む): 6981361200

約数和(自身を除く): 4982945400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 45, 50, 54, 60, 72, 75, 81, 90, 100, 108, 120, 135, 150, 162, 180, 200, 216, 225, 270, 281, 300, 324, 360, 405, 439, 450, 540, 562, 600, 648, 675, 810, 843, 878, 900, 1080, 1124, 1317, 1350, 1405, 1620, 1686, 1756, 1800, 2025, 2195, 2248, 2529, 2634, 2700, 2810, 3240, 3372, 3512, 3951, 4050, 4215, 4390, 5058, 5268, 5400, 5620, 6585, 6744, 7025, 7587, 7902, 8100, 8430, 8780, 10116, 10536, 10975, 11240, 11853, 12645, 13170, 14050, 15174, 15804, 16200, 16860, 17560, 19755, 20232, 21075, 21950, 22761, 23706, 25290, 26340, 28100, 30348, 31608, 32925, 33720, 35559, 37935, 39510, 42150, 43900, 45522, 47412, 50580, 52680, 56200, 59265, 60696, 63225, 65850, 71118, 75870, 79020, 84300, 87800, 91044, 94824, 98775, 101160, 113805, 118530, 123359, 126450, 131700, 142236, 151740, 158040, 168600, 177795, 182088, 189675, 197550, 227610, 237060, 246718, 252900, 263400, 284472, 296325, 303480, 355590, 370077, 379350, 395100, 455220, 474120, 493436, 505800, 569025, 592650, 616795, 711180, 740154, 758700, 790200, 888975, 910440, 986872, 1110231, 1138050, 1185300, 1233590, 1422360, 1480308, 1517400, 1777950, 1850385, 2220462, 2276100, 2370600, 2467180, 2960616, 3083975, 3330693, 3555900, 3700770, 4440924, 4552200, 4934360, 5551155, 6167950, 6661386, 7111800, 7401540, 8881848, 9251925, 9992079, 11102310, 12335900, 13322772, 14803080, 16653465, 18503850, 19984158, 22204620, 24671800, 26645544, 27755775, 33306930, 37007700, 39968316, 44409240, 49960395, 55511550, 66613860, 74015400, 79936632, 83267325, 99920790, 111023100, 133227720, 166534650, 199841580, 222046200, 249801975, 333069300, 399683160, 499603950, 666138600, 999207900, 1998415800]

約数ペア:

[(1, 1998415800), (2, 999207900), (3, 666138600), (4, 499603950), (5, 399683160), (6, 333069300), (8, 249801975), (9, 222046200), (10, 199841580), (12, 166534650), (15, 133227720), (18, 111023100), (20, 99920790), (24, 83267325), (25, 79936632), (27, 74015400), (30, 66613860), (36, 55511550), (40, 49960395), (45, 44409240), (50, 39968316), (54, 37007700), (60, 33306930), (72, 27755775), (75, 26645544), (81, 24671800), (90, 22204620), (100, 19984158), (108, 18503850), (120, 16653465), (135, 14803080), (150, 13322772), (162, 12335900), (180, 11102310), (200, 9992079), (216, 9251925), (225, 8881848), (270, 7401540), (281, 7111800), (300, 6661386), (324, 6167950), (360, 5551155), (405, 4934360), (439, 4552200), (450, 4440924), (540, 3700770), (562, 3555900), (600, 3330693), (648, 3083975), (675, 2960616), (810, 2467180), (843, 2370600), (878, 2276100), (900, 2220462), (1080, 1850385), (1124, 1777950), (1317, 1517400), (1350, 1480308), (1405, 1422360), (1620, 1233590), (1686, 1185300), (1756, 1138050), (1800, 1110231), (2025, 986872), (2195, 910440), (2248, 888975), (2529, 790200), (2634, 758700), (2700, 740154), (2810, 711180), (3240, 616795), (3372, 592650), (3512, 569025), (3951, 505800), (4050, 493436), (4215, 474120), (4390, 455220), (5058, 395100), (5268, 379350), (5400, 370077), (5620, 355590), (6585, 303480), (6744, 296325), (7025, 284472), (7587, 263400), (7902, 252900), (8100, 246718), (8430, 237060), (8780, 227610), (10116, 197550), (10536, 189675), (10975, 182088), (11240, 177795), (11853, 168600), (12645, 158040), (13170, 151740), (14050, 142236), (15174, 131700), (15804, 126450), (16200, 123359), (16860, 118530), (17560, 113805), (19755, 101160), (20232, 98775), (21075, 94824), (21950, 91044), (22761, 87800), (23706, 84300), (25290, 79020), (26340, 75870), (28100, 71118), (30348, 65850), (31608, 63225), (32925, 60696), (33720, 59265), (35559, 56200), (37935, 52680), (39510, 50580), (42150, 47412), (43900, 45522)]