78867240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:347

約数の個数: 128

約数和(自身を含む): 248054400

約数和(自身を除く): 169187160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 131, 145, 173, 174, 232, 262, 290, 346, 348, 393, 435, 519, 524, 580, 655, 692, 696, 786, 865, 870, 1038, 1048, 1160, 1310, 1384, 1572, 1730, 1740, 1965, 2076, 2595, 2620, 3144, 3460, 3480, 3799, 3930, 4152, 5017, 5190, 5240, 6920, 7598, 7860, 10034, 10380, 11397, 15051, 15196, 15720, 18995, 20068, 20760, 22663, 22794, 25085, 30102, 30392, 37990, 40136, 45326, 45588, 50170, 56985, 60204, 67989, 75255, 75980, 90652, 91176, 100340, 113315, 113970, 120408, 135978, 150510, 151960, 181304, 200680, 226630, 227940, 271956, 301020, 339945, 453260, 455880, 543912, 602040, 657227, 679890, 906520, 1314454, 1359780, 1971681, 2628908, 2719560, 3286135, 3943362, 5257816, 6572270, 7886724, 9858405, 13144540, 15773448, 19716810, 26289080, 39433620, 78867240]

約数ペア:

[(1, 78867240), (2, 39433620), (3, 26289080), (4, 19716810), (5, 15773448), (6, 13144540), (8, 9858405), (10, 7886724), (12, 6572270), (15, 5257816), (20, 3943362), (24, 3286135), (29, 2719560), (30, 2628908), (40, 1971681), (58, 1359780), (60, 1314454), (87, 906520), (116, 679890), (120, 657227), (131, 602040), (145, 543912), (173, 455880), (174, 453260), (232, 339945), (262, 301020), (290, 271956), (346, 227940), (348, 226630), (393, 200680), (435, 181304), (519, 151960), (524, 150510), (580, 135978), (655, 120408), (692, 113970), (696, 113315), (786, 100340), (865, 91176), (870, 90652), (1038, 75980), (1048, 75255), (1160, 67989), (1310, 60204), (1384, 56985), (1572, 50170), (1730, 45588), (1740, 45326), (1965, 40136), (2076, 37990), (2595, 30392), (2620, 30102), (3144, 25085), (3460, 22794), (3480, 22663), (3799, 20760), (3930, 20068), (4152, 18995), (5017, 15720), (5190, 15196), (5240, 15051), (6920, 11397), (7598, 10380), (7860, 10034)]