128979480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{659}}^1$

素因数の和:913

約数の個数: 128

約数和(自身を含む): 444787200

約数和(自身を除く): 315807720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 233, 280, 420, 466, 659, 699, 840, 932, 1165, 1318, 1398, 1631, 1864, 1977, 2330, 2636, 2796, 3262, 3295, 3495, 3954, 4613, 4660, 4893, 5272, 5592, 6524, 6590, 6990, 7908, 8155, 9226, 9320, 9786, 9885, 13048, 13180, 13839, 13980, 15816, 16310, 18452, 19572, 19770, 23065, 24465, 26360, 27678, 27960, 32620, 36904, 39144, 39540, 46130, 48930, 55356, 65240, 69195, 79080, 92260, 97860, 110712, 138390, 153547, 184520, 195720, 276780, 307094, 460641, 553560, 614188, 767735, 921282, 1074829, 1228376, 1535470, 1842564, 2149658, 2303205, 3070940, 3224487, 3685128, 4299316, 4606410, 5374145, 6141880, 6448974, 8598632, 9212820, 10748290, 12897948, 16122435, 18425640, 21496580, 25795896, 32244870, 42993160, 64489740, 128979480]

約数ペア:

[(1, 128979480), (2, 64489740), (3, 42993160), (4, 32244870), (5, 25795896), (6, 21496580), (7, 18425640), (8, 16122435), (10, 12897948), (12, 10748290), (14, 9212820), (15, 8598632), (20, 6448974), (21, 6141880), (24, 5374145), (28, 4606410), (30, 4299316), (35, 3685128), (40, 3224487), (42, 3070940), (56, 2303205), (60, 2149658), (70, 1842564), (84, 1535470), (105, 1228376), (120, 1074829), (140, 921282), (168, 767735), (210, 614188), (233, 553560), (280, 460641), (420, 307094), (466, 276780), (659, 195720), (699, 184520), (840, 153547), (932, 138390), (1165, 110712), (1318, 97860), (1398, 92260), (1631, 79080), (1864, 69195), (1977, 65240), (2330, 55356), (2636, 48930), (2796, 46130), (3262, 39540), (3295, 39144), (3495, 36904), (3954, 32620), (4613, 27960), (4660, 27678), (4893, 26360), (5272, 24465), (5592, 23065), (6524, 19770), (6590, 19572), (6990, 18452), (7908, 16310), (8155, 15816), (9226, 13980), (9320, 13839), (9786, 13180), (9885, 13048)]