128455320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4933}}^1$

素因数の和:4985

約数の個数: 128

約数和(自身を含む): 454717440

約数和(自身を除く): 326262120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 2170, 2604, 3255, 3720, 4340, 4933, 5208, 6510, 8680, 9866, 13020, 14799, 19732, 24665, 26040, 29598, 34531, 39464, 49330, 59196, 69062, 73995, 98660, 103593, 118392, 138124, 147990, 152923, 172655, 197320, 207186, 276248, 295980, 305846, 345310, 414372, 458769, 517965, 591960, 611692, 690620, 764615, 828744, 917538, 1035930, 1070461, 1223384, 1381240, 1529230, 1835076, 2071860, 2140922, 2293845, 3058460, 3211383, 3670152, 4143720, 4281844, 4587690, 5352305, 6116920, 6422766, 8563688, 9175380, 10704610, 12845532, 16056915, 18350760, 21409220, 25691064, 32113830, 42818440, 64227660, 128455320]

約数ペア:

[(1, 128455320), (2, 64227660), (3, 42818440), (4, 32113830), (5, 25691064), (6, 21409220), (7, 18350760), (8, 16056915), (10, 12845532), (12, 10704610), (14, 9175380), (15, 8563688), (20, 6422766), (21, 6116920), (24, 5352305), (28, 4587690), (30, 4281844), (31, 4143720), (35, 3670152), (40, 3211383), (42, 3058460), (56, 2293845), (60, 2140922), (62, 2071860), (70, 1835076), (84, 1529230), (93, 1381240), (105, 1223384), (120, 1070461), (124, 1035930), (140, 917538), (155, 828744), (168, 764615), (186, 690620), (210, 611692), (217, 591960), (248, 517965), (280, 458769), (310, 414372), (372, 345310), (420, 305846), (434, 295980), (465, 276248), (620, 207186), (651, 197320), (744, 172655), (840, 152923), (868, 147990), (930, 138124), (1085, 118392), (1240, 103593), (1302, 98660), (1736, 73995), (1860, 69062), (2170, 59196), (2604, 49330), (3255, 39464), (3720, 34531), (4340, 29598), (4933, 26040), (5208, 24665), (6510, 19732), (8680, 14799), (9866, 13020)]