19838880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{599}}^1$

素因数の和:643

約数の個数: 144

約数和(自身を含む): 70761600

約数和(自身を除く): 50922720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 96, 115, 120, 138, 144, 160, 180, 184, 207, 230, 240, 276, 288, 345, 360, 368, 414, 460, 480, 552, 599, 690, 720, 736, 828, 920, 1035, 1104, 1198, 1380, 1440, 1656, 1797, 1840, 2070, 2208, 2396, 2760, 2995, 3312, 3594, 3680, 4140, 4792, 5391, 5520, 5990, 6624, 7188, 8280, 8985, 9584, 10782, 11040, 11980, 13777, 14376, 16560, 17970, 19168, 21564, 23960, 26955, 27554, 28752, 33120, 35940, 41331, 43128, 47920, 53910, 55108, 57504, 68885, 71880, 82662, 86256, 95840, 107820, 110216, 123993, 137770, 143760, 165324, 172512, 206655, 215640, 220432, 247986, 275540, 287520, 330648, 413310, 431280, 440864, 495972, 551080, 619965, 661296, 826620, 862560, 991944, 1102160, 1239930, 1322592, 1653240, 1983888, 2204320, 2479860, 3306480, 3967776, 4959720, 6612960, 9919440, 19838880]

約数ペア:

[(1, 19838880), (2, 9919440), (3, 6612960), (4, 4959720), (5, 3967776), (6, 3306480), (8, 2479860), (9, 2204320), (10, 1983888), (12, 1653240), (15, 1322592), (16, 1239930), (18, 1102160), (20, 991944), (23, 862560), (24, 826620), (30, 661296), (32, 619965), (36, 551080), (40, 495972), (45, 440864), (46, 431280), (48, 413310), (60, 330648), (69, 287520), (72, 275540), (80, 247986), (90, 220432), (92, 215640), (96, 206655), (115, 172512), (120, 165324), (138, 143760), (144, 137770), (160, 123993), (180, 110216), (184, 107820), (207, 95840), (230, 86256), (240, 82662), (276, 71880), (288, 68885), (345, 57504), (360, 55108), (368, 53910), (414, 47920), (460, 43128), (480, 41331), (552, 35940), (599, 33120), (690, 28752), (720, 27554), (736, 26955), (828, 23960), (920, 21564), (1035, 19168), (1104, 17970), (1198, 16560), (1380, 14376), (1440, 13777), (1656, 11980), (1797, 11040), (1840, 10782), (2070, 9584), (2208, 8985), (2396, 8280), (2760, 7188), (2995, 6624), (3312, 5990), (3594, 5520), (3680, 5391), (4140, 4792)]