239317520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:641

約数の個数: 120

約数和(自身を含む): 623031552

約数和(自身を除く): 383714032

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 169, 208, 248, 260, 310, 338, 403, 496, 520, 571, 620, 676, 806, 845, 1040, 1142, 1240, 1352, 1612, 1690, 2015, 2284, 2480, 2704, 2855, 3224, 3380, 4030, 4568, 5239, 5710, 6448, 6760, 7423, 8060, 9136, 10478, 11420, 13520, 14846, 16120, 17701, 20956, 22840, 26195, 29692, 32240, 35402, 37115, 41912, 45680, 52390, 59384, 70804, 74230, 83824, 88505, 96499, 104780, 118768, 141608, 148460, 177010, 192998, 209560, 230113, 283216, 296920, 354020, 385996, 419120, 460226, 482495, 593840, 708040, 771992, 920452, 964990, 1150565, 1416080, 1543984, 1840904, 1929980, 2301130, 2991469, 3681808, 3859960, 4602260, 5982938, 7719920, 9204520, 11965876, 14957345, 18409040, 23931752, 29914690, 47863504, 59829380, 119658760, 239317520]

約数ペア:

[(1, 239317520), (2, 119658760), (4, 59829380), (5, 47863504), (8, 29914690), (10, 23931752), (13, 18409040), (16, 14957345), (20, 11965876), (26, 9204520), (31, 7719920), (40, 5982938), (52, 4602260), (62, 3859960), (65, 3681808), (80, 2991469), (104, 2301130), (124, 1929980), (130, 1840904), (155, 1543984), (169, 1416080), (208, 1150565), (248, 964990), (260, 920452), (310, 771992), (338, 708040), (403, 593840), (496, 482495), (520, 460226), (571, 419120), (620, 385996), (676, 354020), (806, 296920), (845, 283216), (1040, 230113), (1142, 209560), (1240, 192998), (1352, 177010), (1612, 148460), (1690, 141608), (2015, 118768), (2284, 104780), (2480, 96499), (2704, 88505), (2855, 83824), (3224, 74230), (3380, 70804), (4030, 59384), (4568, 52390), (5239, 45680), (5710, 41912), (6448, 37115), (6760, 35402), (7423, 32240), (8060, 29692), (9136, 26195), (10478, 22840), (11420, 20956), (13520, 17701), (14846, 16120)]