18928800

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1$

素因数の和:276

約数の個数: 216

約数和(自身を含む): 73120320

約数和(自身を除く): 54191520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 25, 30, 32, 33, 36, 40, 44, 45, 48, 50, 55, 60, 66, 72, 75, 80, 88, 90, 96, 99, 100, 110, 120, 132, 144, 150, 160, 165, 176, 180, 198, 200, 220, 225, 239, 240, 264, 275, 288, 300, 330, 352, 360, 396, 400, 440, 450, 478, 480, 495, 528, 550, 600, 660, 717, 720, 792, 800, 825, 880, 900, 956, 990, 1056, 1100, 1195, 1200, 1320, 1434, 1440, 1584, 1650, 1760, 1800, 1912, 1980, 2151, 2200, 2390, 2400, 2475, 2629, 2640, 2868, 3168, 3300, 3585, 3600, 3824, 3960, 4302, 4400, 4780, 4950, 5258, 5280, 5736, 5975, 6600, 7170, 7200, 7648, 7887, 7920, 8604, 8800, 9560, 9900, 10516, 10755, 11472, 11950, 13145, 13200, 14340, 15774, 15840, 17208, 17925, 19120, 19800, 21032, 21510, 22944, 23661, 23900, 26290, 26400, 28680, 31548, 34416, 35850, 38240, 39435, 39600, 42064, 43020, 47322, 47800, 52580, 53775, 57360, 63096, 65725, 68832, 71700, 78870, 79200, 84128, 86040, 94644, 95600, 105160, 107550, 114720, 118305, 126192, 131450, 143400, 157740, 172080, 189288, 191200, 197175, 210320, 215100, 236610, 252384, 262900, 286800, 315480, 344160, 378576, 394350, 420640, 430200, 473220, 525800, 573600, 591525, 630960, 757152, 788700, 860400, 946440, 1051600, 1183050, 1261920, 1577400, 1720800, 1892880, 2103200, 2366100, 3154800, 3785760, 4732200, 6309600, 9464400, 18928800]

約数ペア:

[(1, 18928800), (2, 9464400), (3, 6309600), (4, 4732200), (5, 3785760), (6, 3154800), (8, 2366100), (9, 2103200), (10, 1892880), (11, 1720800), (12, 1577400), (15, 1261920), (16, 1183050), (18, 1051600), (20, 946440), (22, 860400), (24, 788700), (25, 757152), (30, 630960), (32, 591525), (33, 573600), (36, 525800), (40, 473220), (44, 430200), (45, 420640), (48, 394350), (50, 378576), (55, 344160), (60, 315480), (66, 286800), (72, 262900), (75, 252384), (80, 236610), (88, 215100), (90, 210320), (96, 197175), (99, 191200), (100, 189288), (110, 172080), (120, 157740), (132, 143400), (144, 131450), (150, 126192), (160, 118305), (165, 114720), (176, 107550), (180, 105160), (198, 95600), (200, 94644), (220, 86040), (225, 84128), (239, 79200), (240, 78870), (264, 71700), (275, 68832), (288, 65725), (300, 63096), (330, 57360), (352, 53775), (360, 52580), (396, 47800), (400, 47322), (440, 43020), (450, 42064), (478, 39600), (480, 39435), (495, 38240), (528, 35850), (550, 34416), (600, 31548), (660, 28680), (717, 26400), (720, 26290), (792, 23900), (800, 23661), (825, 22944), (880, 21510), (900, 21032), (956, 19800), (990, 19120), (1056, 17925), (1100, 17208), (1195, 15840), (1200, 15774), (1320, 14340), (1434, 13200), (1440, 13145), (1584, 11950), (1650, 11472), (1760, 10755), (1800, 10516), (1912, 9900), (1980, 9560), (2151, 8800), (2200, 8604), (2390, 7920), (2400, 7887), (2475, 7648), (2629, 7200), (2640, 7170), (2868, 6600), (3168, 5975), (3300, 5736), (3585, 5280), (3600, 5258), (3824, 4950), (3960, 4780), (4302, 4400)]