31808160

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:260

約数の個数: 192

約数和(自身を含む): 114912000

約数和(自身を除く): 83103840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 37, 40, 45, 48, 54, 60, 72, 74, 80, 90, 96, 108, 111, 120, 135, 144, 148, 160, 180, 185, 199, 216, 222, 240, 270, 288, 296, 333, 360, 370, 398, 432, 444, 480, 540, 555, 592, 597, 666, 720, 740, 796, 864, 888, 995, 999, 1080, 1110, 1184, 1194, 1332, 1440, 1480, 1592, 1665, 1776, 1791, 1990, 1998, 2160, 2220, 2388, 2664, 2960, 2985, 3184, 3330, 3552, 3582, 3980, 3996, 4320, 4440, 4776, 4995, 5328, 5373, 5920, 5970, 6368, 6660, 7164, 7363, 7960, 7992, 8880, 8955, 9552, 9990, 10656, 10746, 11940, 13320, 14328, 14726, 15920, 15984, 17760, 17910, 19104, 19980, 21492, 22089, 23880, 26640, 26865, 28656, 29452, 31840, 31968, 35820, 36815, 39960, 42984, 44178, 47760, 53280, 53730, 57312, 58904, 66267, 71640, 73630, 79920, 85968, 88356, 95520, 107460, 110445, 117808, 132534, 143280, 147260, 159840, 171936, 176712, 198801, 214920, 220890, 235616, 265068, 286560, 294520, 331335, 353424, 397602, 429840, 441780, 530136, 589040, 662670, 706848, 795204, 859680, 883560, 994005, 1060272, 1178080, 1325340, 1590408, 1767120, 1988010, 2120544, 2650680, 3180816, 3534240, 3976020, 5301360, 6361632, 7952040, 10602720, 15904080, 31808160]

約数ペア:

[(1, 31808160), (2, 15904080), (3, 10602720), (4, 7952040), (5, 6361632), (6, 5301360), (8, 3976020), (9, 3534240), (10, 3180816), (12, 2650680), (15, 2120544), (16, 1988010), (18, 1767120), (20, 1590408), (24, 1325340), (27, 1178080), (30, 1060272), (32, 994005), (36, 883560), (37, 859680), (40, 795204), (45, 706848), (48, 662670), (54, 589040), (60, 530136), (72, 441780), (74, 429840), (80, 397602), (90, 353424), (96, 331335), (108, 294520), (111, 286560), (120, 265068), (135, 235616), (144, 220890), (148, 214920), (160, 198801), (180, 176712), (185, 171936), (199, 159840), (216, 147260), (222, 143280), (240, 132534), (270, 117808), (288, 110445), (296, 107460), (333, 95520), (360, 88356), (370, 85968), (398, 79920), (432, 73630), (444, 71640), (480, 66267), (540, 58904), (555, 57312), (592, 53730), (597, 53280), (666, 47760), (720, 44178), (740, 42984), (796, 39960), (864, 36815), (888, 35820), (995, 31968), (999, 31840), (1080, 29452), (1110, 28656), (1184, 26865), (1194, 26640), (1332, 23880), (1440, 22089), (1480, 21492), (1592, 19980), (1665, 19104), (1776, 17910), (1791, 17760), (1990, 15984), (1998, 15920), (2160, 14726), (2220, 14328), (2388, 13320), (2664, 11940), (2960, 10746), (2985, 10656), (3184, 9990), (3330, 9552), (3552, 8955), (3582, 8880), (3980, 7992), (3996, 7960), (4320, 7363), (4440, 7164), (4776, 6660), (4995, 6368), (5328, 5970), (5373, 5920)]