1621912560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{787}}^1$

素因数の和:1111

約数の個数: 160

約数和(自身を含む): 5215475712

約数和(自身を除く): 3593563152

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 277, 310, 372, 465, 496, 554, 620, 744, 787, 831, 930, 1108, 1240, 1385, 1488, 1574, 1662, 1860, 2216, 2361, 2480, 2770, 3148, 3324, 3720, 3935, 4155, 4432, 4722, 5540, 6296, 6648, 7440, 7870, 8310, 8587, 9444, 11080, 11805, 12592, 13296, 15740, 16620, 17174, 18888, 22160, 23610, 24397, 25761, 31480, 33240, 34348, 37776, 42935, 47220, 48794, 51522, 62960, 66480, 68696, 73191, 85870, 94440, 97588, 103044, 121985, 128805, 137392, 146382, 171740, 188880, 195176, 206088, 217999, 243970, 257610, 292764, 343480, 365955, 390352, 412176, 435998, 487940, 515220, 585528, 653997, 686960, 731910, 871996, 975880, 1030440, 1089995, 1171056, 1307994, 1463820, 1743992, 1951760, 2060880, 2179990, 2615988, 2927640, 3269985, 3487984, 4359980, 5231976, 5855280, 6539970, 6757969, 8719960, 10463952, 13079940, 13515938, 17439920, 20273907, 26159880, 27031876, 33789845, 40547814, 52319760, 54063752, 67579690, 81095628, 101369535, 108127504, 135159380, 162191256, 202739070, 270318760, 324382512, 405478140, 540637520, 810956280, 1621912560]

約数ペア:

[(1, 1621912560), (2, 810956280), (3, 540637520), (4, 405478140), (5, 324382512), (6, 270318760), (8, 202739070), (10, 162191256), (12, 135159380), (15, 108127504), (16, 101369535), (20, 81095628), (24, 67579690), (30, 54063752), (31, 52319760), (40, 40547814), (48, 33789845), (60, 27031876), (62, 26159880), (80, 20273907), (93, 17439920), (120, 13515938), (124, 13079940), (155, 10463952), (186, 8719960), (240, 6757969), (248, 6539970), (277, 5855280), (310, 5231976), (372, 4359980), (465, 3487984), (496, 3269985), (554, 2927640), (620, 2615988), (744, 2179990), (787, 2060880), (831, 1951760), (930, 1743992), (1108, 1463820), (1240, 1307994), (1385, 1171056), (1488, 1089995), (1574, 1030440), (1662, 975880), (1860, 871996), (2216, 731910), (2361, 686960), (2480, 653997), (2770, 585528), (3148, 515220), (3324, 487940), (3720, 435998), (3935, 412176), (4155, 390352), (4432, 365955), (4722, 343480), (5540, 292764), (6296, 257610), (6648, 243970), (7440, 217999), (7870, 206088), (8310, 195176), (8587, 188880), (9444, 171740), (11080, 146382), (11805, 137392), (12592, 128805), (13296, 121985), (15740, 103044), (16620, 97588), (17174, 94440), (18888, 85870), (22160, 73191), (23610, 68696), (24397, 66480), (25761, 62960), (31480, 51522), (33240, 48794), (34348, 47220), (37776, 42935)]