28126800

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{601}}^1$

素因数の和:638

約数の個数: 180

約数和(自身を含む): 105291004

約数和(自身を除く): 77164204

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 25, 26, 30, 36, 39, 40, 45, 48, 50, 52, 60, 65, 72, 75, 78, 80, 90, 100, 104, 117, 120, 130, 144, 150, 156, 180, 195, 200, 208, 225, 234, 240, 260, 300, 312, 325, 360, 390, 400, 450, 468, 520, 585, 600, 601, 624, 650, 720, 780, 900, 936, 975, 1040, 1170, 1200, 1202, 1300, 1560, 1800, 1803, 1872, 1950, 2340, 2404, 2600, 2925, 3005, 3120, 3600, 3606, 3900, 4680, 4808, 5200, 5409, 5850, 6010, 7212, 7800, 7813, 9015, 9360, 9616, 10818, 11700, 12020, 14424, 15025, 15600, 15626, 18030, 21636, 23400, 23439, 24040, 27045, 28848, 30050, 31252, 36060, 39065, 43272, 45075, 46800, 46878, 48080, 54090, 60100, 62504, 70317, 72120, 78130, 86544, 90150, 93756, 108180, 117195, 120200, 125008, 135225, 140634, 144240, 156260, 180300, 187512, 195325, 216360, 234390, 240400, 270450, 281268, 312520, 351585, 360600, 375024, 390650, 432720, 468780, 540900, 562536, 585975, 625040, 703170, 721200, 781300, 937560, 1081800, 1125072, 1171950, 1406340, 1562600, 1757925, 1875120, 2163600, 2343900, 2812680, 3125200, 3515850, 4687800, 5625360, 7031700, 9375600, 14063400, 28126800]

約数ペア:

[(1, 28126800), (2, 14063400), (3, 9375600), (4, 7031700), (5, 5625360), (6, 4687800), (8, 3515850), (9, 3125200), (10, 2812680), (12, 2343900), (13, 2163600), (15, 1875120), (16, 1757925), (18, 1562600), (20, 1406340), (24, 1171950), (25, 1125072), (26, 1081800), (30, 937560), (36, 781300), (39, 721200), (40, 703170), (45, 625040), (48, 585975), (50, 562536), (52, 540900), (60, 468780), (65, 432720), (72, 390650), (75, 375024), (78, 360600), (80, 351585), (90, 312520), (100, 281268), (104, 270450), (117, 240400), (120, 234390), (130, 216360), (144, 195325), (150, 187512), (156, 180300), (180, 156260), (195, 144240), (200, 140634), (208, 135225), (225, 125008), (234, 120200), (240, 117195), (260, 108180), (300, 93756), (312, 90150), (325, 86544), (360, 78130), (390, 72120), (400, 70317), (450, 62504), (468, 60100), (520, 54090), (585, 48080), (600, 46878), (601, 46800), (624, 45075), (650, 43272), (720, 39065), (780, 36060), (900, 31252), (936, 30050), (975, 28848), (1040, 27045), (1170, 24040), (1200, 23439), (1202, 23400), (1300, 21636), (1560, 18030), (1800, 15626), (1803, 15600), (1872, 15025), (1950, 14424), (2340, 12020), (2404, 11700), (2600, 10818), (2925, 9616), (3005, 9360), (3120, 9015), (3600, 7813), (3606, 7800), (3900, 7212), (4680, 6010), (4808, 5850), (5200, 5409)]