82720872

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1$

素因数の和:448

約数の個数: 128

約数和(自身を含む): 250992000

約数和(自身を除く): 168271128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 89, 104, 108, 117, 156, 178, 216, 234, 267, 312, 331, 351, 356, 468, 534, 662, 702, 712, 801, 936, 993, 1068, 1157, 1324, 1404, 1602, 1986, 2136, 2314, 2403, 2648, 2808, 2979, 3204, 3471, 3972, 4303, 4628, 4806, 5958, 6408, 6942, 7944, 8606, 8937, 9256, 9612, 10413, 11916, 12909, 13884, 17212, 17874, 19224, 20826, 23832, 25818, 27768, 29459, 31239, 34424, 35748, 38727, 41652, 51636, 58918, 62478, 71496, 77454, 83304, 88377, 103272, 116181, 117836, 124956, 154908, 176754, 232362, 235672, 249912, 265131, 309816, 353508, 382967, 464724, 530262, 707016, 765934, 795393, 929448, 1060524, 1148901, 1531868, 1590786, 2121048, 2297802, 3063736, 3181572, 3446703, 4595604, 6363144, 6893406, 9191208, 10340109, 13786812, 20680218, 27573624, 41360436, 82720872]

約数ペア:

[(1, 82720872), (2, 41360436), (3, 27573624), (4, 20680218), (6, 13786812), (8, 10340109), (9, 9191208), (12, 6893406), (13, 6363144), (18, 4595604), (24, 3446703), (26, 3181572), (27, 3063736), (36, 2297802), (39, 2121048), (52, 1590786), (54, 1531868), (72, 1148901), (78, 1060524), (89, 929448), (104, 795393), (108, 765934), (117, 707016), (156, 530262), (178, 464724), (216, 382967), (234, 353508), (267, 309816), (312, 265131), (331, 249912), (351, 235672), (356, 232362), (468, 176754), (534, 154908), (662, 124956), (702, 117836), (712, 116181), (801, 103272), (936, 88377), (993, 83304), (1068, 77454), (1157, 71496), (1324, 62478), (1404, 58918), (1602, 51636), (1986, 41652), (2136, 38727), (2314, 35748), (2403, 34424), (2648, 31239), (2808, 29459), (2979, 27768), (3204, 25818), (3471, 23832), (3972, 20826), (4303, 19224), (4628, 17874), (4806, 17212), (5958, 13884), (6408, 12909), (6942, 11916), (7944, 10413), (8606, 9612), (8937, 9256)]