81436800

素因数分解:

$2^7\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{499}}^1$

素因数の和:543

約数の個数: 192

約数和(自身を含む): 284580000

約数和(自身を除く): 203143200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 25, 30, 32, 34, 40, 48, 50, 51, 60, 64, 68, 75, 80, 85, 96, 100, 102, 120, 128, 136, 150, 160, 170, 192, 200, 204, 240, 255, 272, 300, 320, 340, 384, 400, 408, 425, 480, 499, 510, 544, 600, 640, 680, 800, 816, 850, 960, 998, 1020, 1088, 1200, 1275, 1360, 1497, 1600, 1632, 1700, 1920, 1996, 2040, 2176, 2400, 2495, 2550, 2720, 2994, 3200, 3264, 3400, 3992, 4080, 4800, 4990, 5100, 5440, 5988, 6528, 6800, 7485, 7984, 8160, 8483, 9600, 9980, 10200, 10880, 11976, 12475, 13600, 14970, 15968, 16320, 16966, 19960, 20400, 23952, 24950, 25449, 27200, 29940, 31936, 32640, 33932, 37425, 39920, 40800, 42415, 47904, 49900, 50898, 54400, 59880, 63872, 67864, 74850, 79840, 81600, 84830, 95808, 99800, 101796, 119760, 127245, 135728, 149700, 159680, 163200, 169660, 191616, 199600, 203592, 212075, 239520, 254490, 271456, 299400, 319360, 339320, 399200, 407184, 424150, 479040, 508980, 542912, 598800, 636225, 678640, 798400, 814368, 848300, 958080, 1017960, 1085824, 1197600, 1272450, 1357280, 1596800, 1628736, 1696600, 2035920, 2395200, 2544900, 2714560, 3257472, 3393200, 4071840, 4790400, 5089800, 5429120, 6786400, 8143680, 10179600, 13572800, 16287360, 20359200, 27145600, 40718400, 81436800]

約数ペア:

[(1, 81436800), (2, 40718400), (3, 27145600), (4, 20359200), (5, 16287360), (6, 13572800), (8, 10179600), (10, 8143680), (12, 6786400), (15, 5429120), (16, 5089800), (17, 4790400), (20, 4071840), (24, 3393200), (25, 3257472), (30, 2714560), (32, 2544900), (34, 2395200), (40, 2035920), (48, 1696600), (50, 1628736), (51, 1596800), (60, 1357280), (64, 1272450), (68, 1197600), (75, 1085824), (80, 1017960), (85, 958080), (96, 848300), (100, 814368), (102, 798400), (120, 678640), (128, 636225), (136, 598800), (150, 542912), (160, 508980), (170, 479040), (192, 424150), (200, 407184), (204, 399200), (240, 339320), (255, 319360), (272, 299400), (300, 271456), (320, 254490), (340, 239520), (384, 212075), (400, 203592), (408, 199600), (425, 191616), (480, 169660), (499, 163200), (510, 159680), (544, 149700), (600, 135728), (640, 127245), (680, 119760), (800, 101796), (816, 99800), (850, 95808), (960, 84830), (998, 81600), (1020, 79840), (1088, 74850), (1200, 67864), (1275, 63872), (1360, 59880), (1497, 54400), (1600, 50898), (1632, 49900), (1700, 47904), (1920, 42415), (1996, 40800), (2040, 39920), (2176, 37425), (2400, 33932), (2495, 32640), (2550, 31936), (2720, 29940), (2994, 27200), (3200, 25449), (3264, 24950), (3400, 23952), (3992, 20400), (4080, 19960), (4800, 16966), (4990, 16320), (5100, 15968), (5440, 14970), (5988, 13600), (6528, 12475), (6800, 11976), (7485, 10880), (7984, 10200), (8160, 9980), (8483, 9600)]