245554920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{739}}^1$

素因数の和:840

約数の個数: 192

約数和(自身を含む): 872726400

約数和(自身を除く): 627171480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 71, 72, 78, 90, 104, 117, 120, 130, 142, 156, 180, 195, 213, 234, 260, 284, 312, 355, 360, 390, 426, 468, 520, 568, 585, 639, 710, 739, 780, 852, 923, 936, 1065, 1170, 1278, 1420, 1478, 1560, 1704, 1846, 2130, 2217, 2340, 2556, 2769, 2840, 2956, 3195, 3692, 3695, 4260, 4434, 4615, 4680, 5112, 5538, 5912, 6390, 6651, 7384, 7390, 8307, 8520, 8868, 9230, 9607, 11076, 11085, 12780, 13302, 13845, 14780, 16614, 17736, 18460, 19214, 22152, 22170, 25560, 26604, 27690, 28821, 29560, 33228, 33255, 36920, 38428, 41535, 44340, 48035, 52469, 53208, 55380, 57642, 66456, 66510, 76856, 83070, 86463, 88680, 96070, 104938, 110760, 115284, 133020, 144105, 157407, 166140, 172926, 192140, 209876, 230568, 262345, 266040, 288210, 314814, 332280, 345852, 384280, 419752, 432315, 472221, 524690, 576420, 629628, 682097, 691704, 787035, 864630, 944442, 1049380, 1152840, 1259256, 1364194, 1574070, 1729260, 1888884, 2046291, 2098760, 2361105, 2728388, 3148140, 3410485, 3458520, 3777768, 4092582, 4722210, 5456776, 6138873, 6296280, 6820970, 8185164, 9444420, 10231455, 12277746, 13641940, 16370328, 18888840, 20462910, 24555492, 27283880, 30694365, 40925820, 49110984, 61388730, 81851640, 122777460, 245554920]

約数ペア:

[(1, 245554920), (2, 122777460), (3, 81851640), (4, 61388730), (5, 49110984), (6, 40925820), (8, 30694365), (9, 27283880), (10, 24555492), (12, 20462910), (13, 18888840), (15, 16370328), (18, 13641940), (20, 12277746), (24, 10231455), (26, 9444420), (30, 8185164), (36, 6820970), (39, 6296280), (40, 6138873), (45, 5456776), (52, 4722210), (60, 4092582), (65, 3777768), (71, 3458520), (72, 3410485), (78, 3148140), (90, 2728388), (104, 2361105), (117, 2098760), (120, 2046291), (130, 1888884), (142, 1729260), (156, 1574070), (180, 1364194), (195, 1259256), (213, 1152840), (234, 1049380), (260, 944442), (284, 864630), (312, 787035), (355, 691704), (360, 682097), (390, 629628), (426, 576420), (468, 524690), (520, 472221), (568, 432315), (585, 419752), (639, 384280), (710, 345852), (739, 332280), (780, 314814), (852, 288210), (923, 266040), (936, 262345), (1065, 230568), (1170, 209876), (1278, 192140), (1420, 172926), (1478, 166140), (1560, 157407), (1704, 144105), (1846, 133020), (2130, 115284), (2217, 110760), (2340, 104938), (2556, 96070), (2769, 88680), (2840, 86463), (2956, 83070), (3195, 76856), (3692, 66510), (3695, 66456), (4260, 57642), (4434, 55380), (4615, 53208), (4680, 52469), (5112, 48035), (5538, 44340), (5912, 41535), (6390, 38428), (6651, 36920), (7384, 33255), (7390, 33228), (8307, 29560), (8520, 28821), (8868, 27690), (9230, 26604), (9607, 25560), (11076, 22170), (11085, 22152), (12780, 19214), (13302, 18460), (13845, 17736), (14780, 16614)]