201620400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:316

約数の個数: 240

約数和(自身を含む): 701145600

約数和(自身を除く): 499525200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 25, 30, 37, 38, 40, 48, 50, 57, 60, 74, 75, 76, 80, 95, 100, 111, 114, 120, 148, 150, 152, 185, 190, 200, 222, 228, 239, 240, 285, 296, 300, 304, 370, 380, 400, 444, 456, 475, 478, 555, 570, 592, 600, 703, 717, 740, 760, 888, 912, 925, 950, 956, 1110, 1140, 1195, 1200, 1406, 1425, 1434, 1480, 1520, 1776, 1850, 1900, 1912, 2109, 2220, 2280, 2390, 2775, 2812, 2850, 2868, 2960, 3515, 3585, 3700, 3800, 3824, 4218, 4440, 4541, 4560, 4780, 5550, 5624, 5700, 5736, 5975, 7030, 7170, 7400, 7600, 8436, 8843, 8880, 9082, 9560, 10545, 11100, 11248, 11400, 11472, 11950, 13623, 14060, 14340, 14800, 16872, 17575, 17686, 17925, 18164, 19120, 21090, 22200, 22705, 22800, 23900, 26529, 27246, 28120, 28680, 33744, 35150, 35372, 35850, 36328, 42180, 44215, 44400, 45410, 47800, 52725, 53058, 54492, 56240, 57360, 68115, 70300, 70744, 71700, 72656, 84360, 88430, 90820, 95600, 105450, 106116, 108984, 113525, 132645, 136230, 140600, 141488, 143400, 168017, 168720, 176860, 181640, 210900, 212232, 217968, 221075, 227050, 265290, 272460, 281200, 286800, 336034, 340575, 353720, 363280, 421800, 424464, 442150, 454100, 504051, 530580, 544920, 663225, 672068, 681150, 707440, 840085, 843600, 884300, 908200, 1008102, 1061160, 1089840, 1326450, 1344136, 1362300, 1680170, 1768600, 1816400, 2016204, 2122320, 2520255, 2652900, 2688272, 2724600, 3360340, 3537200, 4032408, 4200425, 5040510, 5305800, 5449200, 6720680, 8064816, 8400850, 10081020, 10611600, 12601275, 13441360, 16801700, 20162040, 25202550, 33603400, 40324080, 50405100, 67206800, 100810200, 201620400]

約数ペア:

[(1, 201620400), (2, 100810200), (3, 67206800), (4, 50405100), (5, 40324080), (6, 33603400), (8, 25202550), (10, 20162040), (12, 16801700), (15, 13441360), (16, 12601275), (19, 10611600), (20, 10081020), (24, 8400850), (25, 8064816), (30, 6720680), (37, 5449200), (38, 5305800), (40, 5040510), (48, 4200425), (50, 4032408), (57, 3537200), (60, 3360340), (74, 2724600), (75, 2688272), (76, 2652900), (80, 2520255), (95, 2122320), (100, 2016204), (111, 1816400), (114, 1768600), (120, 1680170), (148, 1362300), (150, 1344136), (152, 1326450), (185, 1089840), (190, 1061160), (200, 1008102), (222, 908200), (228, 884300), (239, 843600), (240, 840085), (285, 707440), (296, 681150), (300, 672068), (304, 663225), (370, 544920), (380, 530580), (400, 504051), (444, 454100), (456, 442150), (475, 424464), (478, 421800), (555, 363280), (570, 353720), (592, 340575), (600, 336034), (703, 286800), (717, 281200), (740, 272460), (760, 265290), (888, 227050), (912, 221075), (925, 217968), (950, 212232), (956, 210900), (1110, 181640), (1140, 176860), (1195, 168720), (1200, 168017), (1406, 143400), (1425, 141488), (1434, 140600), (1480, 136230), (1520, 132645), (1776, 113525), (1850, 108984), (1900, 106116), (1912, 105450), (2109, 95600), (2220, 90820), (2280, 88430), (2390, 84360), (2775, 72656), (2812, 71700), (2850, 70744), (2868, 70300), (2960, 68115), (3515, 57360), (3585, 56240), (3700, 54492), (3800, 53058), (3824, 52725), (4218, 47800), (4440, 45410), (4541, 44400), (4560, 44215), (4780, 42180), (5550, 36328), (5624, 35850), (5700, 35372), (5736, 35150), (5975, 33744), (7030, 28680), (7170, 28120), (7400, 27246), (7600, 26529), (8436, 23900), (8843, 22800), (8880, 22705), (9082, 22200), (9560, 21090), (10545, 19120), (11100, 18164), (11248, 17925), (11400, 17686), (11472, 17575), (11950, 16872), (13623, 14800), (14060, 14340)]