15864120

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:454

約数の個数: 128

約数和(自身を含む): 54446400

約数和(自身を除く): 38582280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 37, 40, 45, 54, 60, 72, 74, 90, 108, 111, 120, 135, 148, 180, 185, 216, 222, 270, 296, 333, 360, 370, 397, 444, 540, 555, 666, 740, 794, 888, 999, 1080, 1110, 1191, 1332, 1480, 1588, 1665, 1985, 1998, 2220, 2382, 2664, 3176, 3330, 3573, 3970, 3996, 4440, 4764, 4995, 5955, 6660, 7146, 7940, 7992, 9528, 9990, 10719, 11910, 13320, 14292, 14689, 15880, 17865, 19980, 21438, 23820, 28584, 29378, 35730, 39960, 42876, 44067, 47640, 53595, 58756, 71460, 73445, 85752, 88134, 107190, 117512, 132201, 142920, 146890, 176268, 214380, 220335, 264402, 293780, 352536, 396603, 428760, 440670, 528804, 587560, 661005, 793206, 881340, 1057608, 1322010, 1586412, 1762680, 1983015, 2644020, 3172824, 3966030, 5288040, 7932060, 15864120]

約数ペア:

[(1, 15864120), (2, 7932060), (3, 5288040), (4, 3966030), (5, 3172824), (6, 2644020), (8, 1983015), (9, 1762680), (10, 1586412), (12, 1322010), (15, 1057608), (18, 881340), (20, 793206), (24, 661005), (27, 587560), (30, 528804), (36, 440670), (37, 428760), (40, 396603), (45, 352536), (54, 293780), (60, 264402), (72, 220335), (74, 214380), (90, 176268), (108, 146890), (111, 142920), (120, 132201), (135, 117512), (148, 107190), (180, 88134), (185, 85752), (216, 73445), (222, 71460), (270, 58756), (296, 53595), (333, 47640), (360, 44067), (370, 42876), (397, 39960), (444, 35730), (540, 29378), (555, 28584), (666, 23820), (740, 21438), (794, 19980), (888, 17865), (999, 15880), (1080, 14689), (1110, 14292), (1191, 13320), (1332, 11910), (1480, 10719), (1588, 9990), (1665, 9528), (1985, 7992), (1998, 7940), (2220, 7146), (2382, 6660), (2664, 5955), (3176, 4995), (3330, 4764), (3573, 4440), (3970, 3996)]