138879720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{7873}}^1$

素因数の和:7904

約数の個数: 144

約数和(自身を含む): 525117060

約数和(自身を除く): 386237340

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 5880, 7873, 8820, 15746, 17640, 23619, 31492, 39365, 47238, 55111, 62984, 70857, 78730, 94476, 110222, 118095, 141714, 157460, 165333, 188952, 220444, 236190, 275555, 283428, 314920, 330666, 354285, 385777, 440888, 472380, 495999, 551110, 566856, 661332, 708570, 771554, 826665, 944760, 991998, 1102220, 1157331, 1322664, 1417140, 1543108, 1653330, 1928885, 1983996, 2204440, 2314662, 2479995, 2834280, 3086216, 3306660, 3471993, 3857770, 3967992, 4629324, 4959990, 5786655, 6613320, 6943986, 7715540, 9258648, 9919980, 11573310, 13887972, 15431080, 17359965, 19839960, 23146620, 27775944, 34719930, 46293240, 69439860, 138879720]

約数ペア:

[(1, 138879720), (2, 69439860), (3, 46293240), (4, 34719930), (5, 27775944), (6, 23146620), (7, 19839960), (8, 17359965), (9, 15431080), (10, 13887972), (12, 11573310), (14, 9919980), (15, 9258648), (18, 7715540), (20, 6943986), (21, 6613320), (24, 5786655), (28, 4959990), (30, 4629324), (35, 3967992), (36, 3857770), (40, 3471993), (42, 3306660), (45, 3086216), (49, 2834280), (56, 2479995), (60, 2314662), (63, 2204440), (70, 1983996), (72, 1928885), (84, 1653330), (90, 1543108), (98, 1417140), (105, 1322664), (120, 1157331), (126, 1102220), (140, 991998), (147, 944760), (168, 826665), (180, 771554), (196, 708570), (210, 661332), (245, 566856), (252, 551110), (280, 495999), (294, 472380), (315, 440888), (360, 385777), (392, 354285), (420, 330666), (441, 314920), (490, 283428), (504, 275555), (588, 236190), (630, 220444), (735, 188952), (840, 165333), (882, 157460), (980, 141714), (1176, 118095), (1260, 110222), (1470, 94476), (1764, 78730), (1960, 70857), (2205, 62984), (2520, 55111), (2940, 47238), (3528, 39365), (4410, 31492), (5880, 23619), (7873, 17640), (8820, 15746)]