131508520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{277}}^1$

素因数の和:395

約数の個数: 128

約数和(自身を含む): 353082240

約数和(自身を除く): 221573720

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 83, 88, 104, 110, 130, 143, 166, 220, 260, 277, 286, 332, 415, 440, 520, 554, 572, 664, 715, 830, 913, 1079, 1108, 1144, 1385, 1430, 1660, 1826, 2158, 2216, 2770, 2860, 3047, 3320, 3601, 3652, 4316, 4565, 5395, 5540, 5720, 6094, 7202, 7304, 8632, 9130, 10790, 11080, 11869, 12188, 14404, 15235, 18005, 18260, 21580, 22991, 23738, 24376, 28808, 30470, 36010, 36520, 39611, 43160, 45982, 47476, 59345, 60940, 72020, 79222, 91964, 94952, 114955, 118690, 121880, 144040, 158444, 183928, 198055, 229910, 237380, 252901, 298883, 316888, 396110, 459820, 474760, 505802, 597766, 792220, 919640, 1011604, 1195532, 1264505, 1494415, 1584440, 2023208, 2391064, 2529010, 2988830, 3287713, 5058020, 5977660, 6575426, 10116040, 11955320, 13150852, 16438565, 26301704, 32877130, 65754260, 131508520]

約数ペア:

[(1, 131508520), (2, 65754260), (4, 32877130), (5, 26301704), (8, 16438565), (10, 13150852), (11, 11955320), (13, 10116040), (20, 6575426), (22, 5977660), (26, 5058020), (40, 3287713), (44, 2988830), (52, 2529010), (55, 2391064), (65, 2023208), (83, 1584440), (88, 1494415), (104, 1264505), (110, 1195532), (130, 1011604), (143, 919640), (166, 792220), (220, 597766), (260, 505802), (277, 474760), (286, 459820), (332, 396110), (415, 316888), (440, 298883), (520, 252901), (554, 237380), (572, 229910), (664, 198055), (715, 183928), (830, 158444), (913, 144040), (1079, 121880), (1108, 118690), (1144, 114955), (1385, 94952), (1430, 91964), (1660, 79222), (1826, 72020), (2158, 60940), (2216, 59345), (2770, 47476), (2860, 45982), (3047, 43160), (3320, 39611), (3601, 36520), (3652, 36010), (4316, 30470), (4565, 28808), (5395, 24376), (5540, 23738), (5720, 22991), (6094, 21580), (7202, 18260), (7304, 18005), (8632, 15235), (9130, 14404), (10790, 12188), (11080, 11869)]