78538680

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{601}}^1$

素因数の和:643

約数の個数: 192

約数和(自身を含む): 288237600

約数和(自身を除く): 209698920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 88, 90, 99, 108, 110, 120, 121, 132, 135, 165, 180, 198, 216, 220, 242, 264, 270, 297, 330, 360, 363, 396, 440, 484, 495, 540, 594, 601, 605, 660, 726, 792, 968, 990, 1080, 1089, 1188, 1202, 1210, 1320, 1452, 1485, 1803, 1815, 1980, 2178, 2376, 2404, 2420, 2904, 2970, 3005, 3267, 3606, 3630, 3960, 4356, 4808, 4840, 5409, 5445, 5940, 6010, 6534, 6611, 7212, 7260, 8712, 9015, 10818, 10890, 11880, 12020, 13068, 13222, 14424, 14520, 16227, 16335, 18030, 19833, 21636, 21780, 24040, 26136, 26444, 27045, 32454, 32670, 33055, 36060, 39666, 43272, 43560, 52888, 54090, 59499, 64908, 65340, 66110, 72120, 72721, 79332, 81135, 99165, 108180, 118998, 129816, 130680, 132220, 145442, 158664, 162270, 178497, 198330, 216360, 218163, 237996, 264440, 290884, 297495, 324540, 356994, 363605, 396660, 436326, 475992, 581768, 594990, 649080, 654489, 713988, 727210, 793320, 872652, 892485, 1090815, 1189980, 1308978, 1427976, 1454420, 1745304, 1784970, 1963467, 2181630, 2379960, 2617956, 2908840, 3272445, 3569940, 3926934, 4363260, 5235912, 6544890, 7139880, 7853868, 8726520, 9817335, 13089780, 15707736, 19634670, 26179560, 39269340, 78538680]

約数ペア:

[(1, 78538680), (2, 39269340), (3, 26179560), (4, 19634670), (5, 15707736), (6, 13089780), (8, 9817335), (9, 8726520), (10, 7853868), (11, 7139880), (12, 6544890), (15, 5235912), (18, 4363260), (20, 3926934), (22, 3569940), (24, 3272445), (27, 2908840), (30, 2617956), (33, 2379960), (36, 2181630), (40, 1963467), (44, 1784970), (45, 1745304), (54, 1454420), (55, 1427976), (60, 1308978), (66, 1189980), (72, 1090815), (88, 892485), (90, 872652), (99, 793320), (108, 727210), (110, 713988), (120, 654489), (121, 649080), (132, 594990), (135, 581768), (165, 475992), (180, 436326), (198, 396660), (216, 363605), (220, 356994), (242, 324540), (264, 297495), (270, 290884), (297, 264440), (330, 237996), (360, 218163), (363, 216360), (396, 198330), (440, 178497), (484, 162270), (495, 158664), (540, 145442), (594, 132220), (601, 130680), (605, 129816), (660, 118998), (726, 108180), (792, 99165), (968, 81135), (990, 79332), (1080, 72721), (1089, 72120), (1188, 66110), (1202, 65340), (1210, 64908), (1320, 59499), (1452, 54090), (1485, 52888), (1803, 43560), (1815, 43272), (1980, 39666), (2178, 36060), (2376, 33055), (2404, 32670), (2420, 32454), (2904, 27045), (2970, 26444), (3005, 26136), (3267, 24040), (3606, 21780), (3630, 21636), (3960, 19833), (4356, 18030), (4808, 16335), (4840, 16227), (5409, 14520), (5445, 14424), (5940, 13222), (6010, 13068), (6534, 12020), (6611, 11880), (7212, 10890), (7260, 10818), (8712, 9015)]