16578720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{397}}^1$

素因数の和:447

約数の個数: 144

約数和(自身を含む): 58673160

約数和(自身を除く): 42094440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 32, 36, 40, 45, 48, 58, 60, 72, 80, 87, 90, 96, 116, 120, 144, 145, 160, 174, 180, 232, 240, 261, 288, 290, 348, 360, 397, 435, 464, 480, 522, 580, 696, 720, 794, 870, 928, 1044, 1160, 1191, 1305, 1392, 1440, 1588, 1740, 1985, 2088, 2320, 2382, 2610, 2784, 3176, 3480, 3573, 3970, 4176, 4640, 4764, 5220, 5955, 6352, 6960, 7146, 7940, 8352, 9528, 10440, 11513, 11910, 12704, 13920, 14292, 15880, 17865, 19056, 20880, 23026, 23820, 28584, 31760, 34539, 35730, 38112, 41760, 46052, 47640, 57168, 57565, 63520, 69078, 71460, 92104, 95280, 103617, 114336, 115130, 138156, 142920, 172695, 184208, 190560, 207234, 230260, 276312, 285840, 345390, 368416, 414468, 460520, 518085, 552624, 571680, 690780, 828936, 921040, 1036170, 1105248, 1381560, 1657872, 1842080, 2072340, 2763120, 3315744, 4144680, 5526240, 8289360, 16578720]

約数ペア:

[(1, 16578720), (2, 8289360), (3, 5526240), (4, 4144680), (5, 3315744), (6, 2763120), (8, 2072340), (9, 1842080), (10, 1657872), (12, 1381560), (15, 1105248), (16, 1036170), (18, 921040), (20, 828936), (24, 690780), (29, 571680), (30, 552624), (32, 518085), (36, 460520), (40, 414468), (45, 368416), (48, 345390), (58, 285840), (60, 276312), (72, 230260), (80, 207234), (87, 190560), (90, 184208), (96, 172695), (116, 142920), (120, 138156), (144, 115130), (145, 114336), (160, 103617), (174, 95280), (180, 92104), (232, 71460), (240, 69078), (261, 63520), (288, 57565), (290, 57168), (348, 47640), (360, 46052), (397, 41760), (435, 38112), (464, 35730), (480, 34539), (522, 31760), (580, 28584), (696, 23820), (720, 23026), (794, 20880), (870, 19056), (928, 17865), (1044, 15880), (1160, 14292), (1191, 13920), (1305, 12704), (1392, 11910), (1440, 11513), (1588, 10440), (1740, 9528), (1985, 8352), (2088, 7940), (2320, 7146), (2382, 6960), (2610, 6352), (2784, 5955), (3176, 5220), (3480, 4764), (3573, 4640), (3970, 4176)]