15858920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1$

素因数の和:319

約数の個数: 128

約数和(自身を含む): 47001600

約数和(自身を除く): 31142680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 19, 20, 22, 28, 35, 38, 40, 44, 55, 56, 70, 76, 77, 88, 95, 110, 133, 140, 152, 154, 190, 209, 220, 266, 271, 280, 308, 380, 385, 418, 440, 532, 542, 616, 665, 760, 770, 836, 1045, 1064, 1084, 1330, 1355, 1463, 1540, 1672, 1897, 2090, 2168, 2660, 2710, 2926, 2981, 3080, 3794, 4180, 5149, 5320, 5420, 5852, 5962, 7315, 7588, 8360, 9485, 10298, 10840, 11704, 11924, 14630, 14905, 15176, 18970, 20596, 20867, 23848, 25745, 29260, 29810, 36043, 37940, 41192, 41734, 51490, 56639, 58520, 59620, 72086, 75880, 83468, 102980, 104335, 113278, 119240, 144172, 166936, 180215, 205960, 208670, 226556, 283195, 288344, 360430, 396473, 417340, 453112, 566390, 720860, 792946, 834680, 1132780, 1441720, 1585892, 1982365, 2265560, 3171784, 3964730, 7929460, 15858920]

約数ペア:

[(1, 15858920), (2, 7929460), (4, 3964730), (5, 3171784), (7, 2265560), (8, 1982365), (10, 1585892), (11, 1441720), (14, 1132780), (19, 834680), (20, 792946), (22, 720860), (28, 566390), (35, 453112), (38, 417340), (40, 396473), (44, 360430), (55, 288344), (56, 283195), (70, 226556), (76, 208670), (77, 205960), (88, 180215), (95, 166936), (110, 144172), (133, 119240), (140, 113278), (152, 104335), (154, 102980), (190, 83468), (209, 75880), (220, 72086), (266, 59620), (271, 58520), (280, 56639), (308, 51490), (380, 41734), (385, 41192), (418, 37940), (440, 36043), (532, 29810), (542, 29260), (616, 25745), (665, 23848), (760, 20867), (770, 20596), (836, 18970), (1045, 15176), (1064, 14905), (1084, 14630), (1330, 11924), (1355, 11704), (1463, 10840), (1540, 10298), (1672, 9485), (1897, 8360), (2090, 7588), (2168, 7315), (2660, 5962), (2710, 5852), (2926, 5420), (2981, 5320), (3080, 5149), (3794, 4180)]