30268920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{997}}^1$

素因数の和:1045

約数の個数: 128

約数和(自身を含む): 103472640

約数和(自身を除く): 73203720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 23, 24, 30, 33, 40, 44, 46, 55, 60, 66, 69, 88, 92, 110, 115, 120, 132, 138, 165, 184, 220, 230, 253, 264, 276, 330, 345, 440, 460, 506, 552, 660, 690, 759, 920, 997, 1012, 1265, 1320, 1380, 1518, 1994, 2024, 2530, 2760, 2991, 3036, 3795, 3988, 4985, 5060, 5982, 6072, 7590, 7976, 9970, 10120, 10967, 11964, 14955, 15180, 19940, 21934, 22931, 23928, 29910, 30360, 32901, 39880, 43868, 45862, 54835, 59820, 65802, 68793, 87736, 91724, 109670, 114655, 119640, 131604, 137586, 164505, 183448, 219340, 229310, 252241, 263208, 275172, 329010, 343965, 438680, 458620, 504482, 550344, 658020, 687930, 756723, 917240, 1008964, 1261205, 1316040, 1375860, 1513446, 2017928, 2522410, 2751720, 3026892, 3783615, 5044820, 6053784, 7567230, 10089640, 15134460, 30268920]

約数ペア:

[(1, 30268920), (2, 15134460), (3, 10089640), (4, 7567230), (5, 6053784), (6, 5044820), (8, 3783615), (10, 3026892), (11, 2751720), (12, 2522410), (15, 2017928), (20, 1513446), (22, 1375860), (23, 1316040), (24, 1261205), (30, 1008964), (33, 917240), (40, 756723), (44, 687930), (46, 658020), (55, 550344), (60, 504482), (66, 458620), (69, 438680), (88, 343965), (92, 329010), (110, 275172), (115, 263208), (120, 252241), (132, 229310), (138, 219340), (165, 183448), (184, 164505), (220, 137586), (230, 131604), (253, 119640), (264, 114655), (276, 109670), (330, 91724), (345, 87736), (440, 68793), (460, 65802), (506, 59820), (552, 54835), (660, 45862), (690, 43868), (759, 39880), (920, 32901), (997, 30360), (1012, 29910), (1265, 23928), (1320, 22931), (1380, 21934), (1518, 19940), (1994, 15180), (2024, 14955), (2530, 11964), (2760, 10967), (2991, 10120), (3036, 9970), (3795, 7976), (3988, 7590), (4985, 6072), (5060, 5982)]