198715680

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1$

素因数の和:318

約数の個数: 288

約数和(自身を含む): 742996800

約数和(自身を除く): 544281120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 81, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 162, 171, 180, 190, 216, 228, 240, 243, 269, 270, 285, 288, 304, 324, 342, 360, 380, 405, 432, 456, 480, 486, 513, 538, 540, 570, 608, 648, 684, 720, 760, 807, 810, 855, 864, 912, 972, 1026, 1076, 1080, 1140, 1215, 1296, 1345, 1368, 1440, 1520, 1539, 1614, 1620, 1710, 1824, 1944, 2052, 2152, 2160, 2280, 2421, 2430, 2565, 2592, 2690, 2736, 3040, 3078, 3228, 3240, 3420, 3888, 4035, 4104, 4304, 4320, 4560, 4617, 4842, 4860, 5111, 5130, 5380, 5472, 6156, 6456, 6480, 6840, 7263, 7695, 7776, 8070, 8208, 8608, 9120, 9234, 9684, 9720, 10222, 10260, 10760, 12105, 12312, 12912, 12960, 13680, 14526, 15333, 15390, 16140, 16416, 18468, 19368, 19440, 20444, 20520, 21520, 21789, 23085, 24210, 24624, 25555, 25824, 27360, 29052, 30666, 30780, 32280, 36315, 36936, 38736, 38880, 40888, 41040, 43040, 43578, 45999, 46170, 48420, 49248, 51110, 58104, 61332, 61560, 64560, 65367, 72630, 73872, 76665, 77472, 81776, 82080, 87156, 91998, 92340, 96840, 102220, 108945, 116208, 122664, 123120, 129120, 130734, 137997, 145260, 147744, 153330, 163552, 174312, 183996, 184680, 193680, 204440, 217890, 229995, 232416, 245328, 246240, 261468, 275994, 290520, 306660, 326835, 348624, 367992, 369360, 387360, 408880, 413991, 435780, 459990, 490656, 522936, 551988, 581040, 613320, 653670, 689985, 697248, 735984, 738720, 817760, 827982, 871560, 919980, 1045872, 1103976, 1162080, 1226640, 1241973, 1307340, 1379970, 1471968, 1655964, 1743120, 1839960, 2069955, 2091744, 2207952, 2453280, 2483946, 2614680, 2759940, 3311928, 3486240, 3679920, 4139910, 4415904, 4967892, 5229360, 5519880, 6209865, 6623856, 7359840, 8279820, 9935784, 10458720, 11039760, 12419730, 13247712, 16559640, 19871568, 22079520, 24839460, 33119280, 39743136, 49678920, 66238560, 99357840, 198715680]

約数ペア:

[(1, 198715680), (2, 99357840), (3, 66238560), (4, 49678920), (5, 39743136), (6, 33119280), (8, 24839460), (9, 22079520), (10, 19871568), (12, 16559640), (15, 13247712), (16, 12419730), (18, 11039760), (19, 10458720), (20, 9935784), (24, 8279820), (27, 7359840), (30, 6623856), (32, 6209865), (36, 5519880), (38, 5229360), (40, 4967892), (45, 4415904), (48, 4139910), (54, 3679920), (57, 3486240), (60, 3311928), (72, 2759940), (76, 2614680), (80, 2483946), (81, 2453280), (90, 2207952), (95, 2091744), (96, 2069955), (108, 1839960), (114, 1743120), (120, 1655964), (135, 1471968), (144, 1379970), (152, 1307340), (160, 1241973), (162, 1226640), (171, 1162080), (180, 1103976), (190, 1045872), (216, 919980), (228, 871560), (240, 827982), (243, 817760), (269, 738720), (270, 735984), (285, 697248), (288, 689985), (304, 653670), (324, 613320), (342, 581040), (360, 551988), (380, 522936), (405, 490656), (432, 459990), (456, 435780), (480, 413991), (486, 408880), (513, 387360), (538, 369360), (540, 367992), (570, 348624), (608, 326835), (648, 306660), (684, 290520), (720, 275994), (760, 261468), (807, 246240), (810, 245328), (855, 232416), (864, 229995), (912, 217890), (972, 204440), (1026, 193680), (1076, 184680), (1080, 183996), (1140, 174312), (1215, 163552), (1296, 153330), (1345, 147744), (1368, 145260), (1440, 137997), (1520, 130734), (1539, 129120), (1614, 123120), (1620, 122664), (1710, 116208), (1824, 108945), (1944, 102220), (2052, 96840), (2152, 92340), (2160, 91998), (2280, 87156), (2421, 82080), (2430, 81776), (2565, 77472), (2592, 76665), (2690, 73872), (2736, 72630), (3040, 65367), (3078, 64560), (3228, 61560), (3240, 61332), (3420, 58104), (3888, 51110), (4035, 49248), (4104, 48420), (4304, 46170), (4320, 45999), (4560, 43578), (4617, 43040), (4842, 41040), (4860, 40888), (5111, 38880), (5130, 38736), (5380, 36936), (5472, 36315), (6156, 32280), (6456, 30780), (6480, 30666), (6840, 29052), (7263, 27360), (7695, 25824), (7776, 25555), (8070, 24624), (8208, 24210), (8608, 23085), (9120, 21789), (9234, 21520), (9684, 20520), (9720, 20444), (10222, 19440), (10260, 19368), (10760, 18468), (12105, 16416), (12312, 16140), (12912, 15390), (12960, 15333), (13680, 14526)]