55720800

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:206

約数の個数: 216

約数和(自身を含む): 201080880

約数和(自身を除く): 145360080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 71, 72, 75, 80, 90, 96, 100, 109, 120, 142, 144, 150, 160, 180, 200, 213, 218, 225, 240, 284, 288, 300, 327, 355, 360, 400, 426, 436, 450, 480, 545, 568, 600, 639, 654, 710, 720, 800, 852, 872, 900, 981, 1065, 1090, 1136, 1200, 1278, 1308, 1420, 1440, 1635, 1704, 1744, 1775, 1800, 1962, 2130, 2180, 2272, 2400, 2556, 2616, 2725, 2840, 3195, 3270, 3408, 3488, 3550, 3600, 3924, 4260, 4360, 4905, 5112, 5232, 5325, 5450, 5680, 6390, 6540, 6816, 7100, 7200, 7739, 7848, 8175, 8520, 8720, 9810, 10224, 10464, 10650, 10900, 11360, 12780, 13080, 14200, 15478, 15696, 15975, 16350, 17040, 17440, 19620, 20448, 21300, 21800, 23217, 24525, 25560, 26160, 28400, 30956, 31392, 31950, 32700, 34080, 38695, 39240, 42600, 43600, 46434, 49050, 51120, 52320, 56800, 61912, 63900, 65400, 69651, 77390, 78480, 85200, 87200, 92868, 98100, 102240, 116085, 123824, 127800, 130800, 139302, 154780, 156960, 170400, 185736, 193475, 196200, 232170, 247648, 255600, 261600, 278604, 309560, 348255, 371472, 386950, 392400, 464340, 511200, 557208, 580425, 619120, 696510, 742944, 773900, 784800, 928680, 1114416, 1160850, 1238240, 1393020, 1547800, 1741275, 1857360, 2228832, 2321700, 2786040, 3095600, 3482550, 3714720, 4643400, 5572080, 6191200, 6965100, 9286800, 11144160, 13930200, 18573600, 27860400, 55720800]

約数ペア:

[(1, 55720800), (2, 27860400), (3, 18573600), (4, 13930200), (5, 11144160), (6, 9286800), (8, 6965100), (9, 6191200), (10, 5572080), (12, 4643400), (15, 3714720), (16, 3482550), (18, 3095600), (20, 2786040), (24, 2321700), (25, 2228832), (30, 1857360), (32, 1741275), (36, 1547800), (40, 1393020), (45, 1238240), (48, 1160850), (50, 1114416), (60, 928680), (71, 784800), (72, 773900), (75, 742944), (80, 696510), (90, 619120), (96, 580425), (100, 557208), (109, 511200), (120, 464340), (142, 392400), (144, 386950), (150, 371472), (160, 348255), (180, 309560), (200, 278604), (213, 261600), (218, 255600), (225, 247648), (240, 232170), (284, 196200), (288, 193475), (300, 185736), (327, 170400), (355, 156960), (360, 154780), (400, 139302), (426, 130800), (436, 127800), (450, 123824), (480, 116085), (545, 102240), (568, 98100), (600, 92868), (639, 87200), (654, 85200), (710, 78480), (720, 77390), (800, 69651), (852, 65400), (872, 63900), (900, 61912), (981, 56800), (1065, 52320), (1090, 51120), (1136, 49050), (1200, 46434), (1278, 43600), (1308, 42600), (1420, 39240), (1440, 38695), (1635, 34080), (1704, 32700), (1744, 31950), (1775, 31392), (1800, 30956), (1962, 28400), (2130, 26160), (2180, 25560), (2272, 24525), (2400, 23217), (2556, 21800), (2616, 21300), (2725, 20448), (2840, 19620), (3195, 17440), (3270, 17040), (3408, 16350), (3488, 15975), (3550, 15696), (3600, 15478), (3924, 14200), (4260, 13080), (4360, 12780), (4905, 11360), (5112, 10900), (5232, 10650), (5325, 10464), (5450, 10224), (5680, 9810), (6390, 8720), (6540, 8520), (6816, 8175), (7100, 7848), (7200, 7739)]