180978560

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:261

約数の個数: 192

約数和(自身を含む): 523260000

約数和(自身を除く): 342281440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 49, 56, 58, 64, 70, 80, 98, 112, 116, 128, 140, 145, 160, 196, 199, 203, 224, 232, 245, 280, 290, 320, 392, 398, 406, 448, 464, 490, 560, 580, 640, 784, 796, 812, 896, 928, 980, 995, 1015, 1120, 1160, 1393, 1421, 1568, 1592, 1624, 1856, 1960, 1990, 2030, 2240, 2320, 2786, 2842, 3136, 3184, 3248, 3712, 3920, 3980, 4060, 4480, 4640, 5572, 5684, 5771, 6272, 6368, 6496, 6965, 7105, 7840, 7960, 8120, 9280, 9751, 11144, 11368, 11542, 12736, 12992, 13930, 14210, 15680, 15920, 16240, 18560, 19502, 22288, 22736, 23084, 25472, 25984, 27860, 28420, 28855, 31360, 31840, 32480, 39004, 40397, 44576, 45472, 46168, 48755, 55720, 56840, 57710, 63680, 64960, 78008, 80794, 89152, 90944, 92336, 97510, 111440, 113680, 115420, 127360, 129920, 156016, 161588, 178304, 181888, 184672, 195020, 201985, 222880, 227360, 230840, 282779, 312032, 323176, 369344, 390040, 403970, 445760, 454720, 461680, 565558, 624064, 646352, 738688, 780080, 807940, 891520, 909440, 923360, 1131116, 1248128, 1292704, 1413895, 1560160, 1615880, 1846720, 2262232, 2585408, 2827790, 3120320, 3231760, 3693440, 4524464, 5170816, 5655580, 6240640, 6463520, 9048928, 11311160, 12927040, 18097856, 22622320, 25854080, 36195712, 45244640, 90489280, 180978560]

約数ペア:

[(1, 180978560), (2, 90489280), (4, 45244640), (5, 36195712), (7, 25854080), (8, 22622320), (10, 18097856), (14, 12927040), (16, 11311160), (20, 9048928), (28, 6463520), (29, 6240640), (32, 5655580), (35, 5170816), (40, 4524464), (49, 3693440), (56, 3231760), (58, 3120320), (64, 2827790), (70, 2585408), (80, 2262232), (98, 1846720), (112, 1615880), (116, 1560160), (128, 1413895), (140, 1292704), (145, 1248128), (160, 1131116), (196, 923360), (199, 909440), (203, 891520), (224, 807940), (232, 780080), (245, 738688), (280, 646352), (290, 624064), (320, 565558), (392, 461680), (398, 454720), (406, 445760), (448, 403970), (464, 390040), (490, 369344), (560, 323176), (580, 312032), (640, 282779), (784, 230840), (796, 227360), (812, 222880), (896, 201985), (928, 195020), (980, 184672), (995, 181888), (1015, 178304), (1120, 161588), (1160, 156016), (1393, 129920), (1421, 127360), (1568, 115420), (1592, 113680), (1624, 111440), (1856, 97510), (1960, 92336), (1990, 90944), (2030, 89152), (2240, 80794), (2320, 78008), (2786, 64960), (2842, 63680), (3136, 57710), (3184, 56840), (3248, 55720), (3712, 48755), (3920, 46168), (3980, 45472), (4060, 44576), (4480, 40397), (4640, 39004), (5572, 32480), (5684, 31840), (5771, 31360), (6272, 28855), (6368, 28420), (6496, 27860), (6965, 25984), (7105, 25472), (7840, 23084), (7960, 22736), (8120, 22288), (9280, 19502), (9751, 18560), (11144, 16240), (11368, 15920), (11542, 15680), (12736, 14210), (12992, 13930)]