128837520

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{8521}}^1$

素因数の和:8550

約数の個数: 160

約数和(自身を含む): 507229440

約数和(自身を除く): 378391920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 8521, 15120, 17042, 25563, 34084, 42605, 51126, 59647, 68168, 76689, 85210, 102252, 119294, 127815, 136336, 153378, 170420, 178941, 204504, 230067, 238588, 255630, 298235, 306756, 340840, 357882, 383445, 409008, 460134, 477176, 511260, 536823, 596470, 613512, 681680, 715764, 766890, 894705, 920268, 954352, 1022520, 1073646, 1150335, 1192940, 1227024, 1431528, 1533780, 1610469, 1789410, 1840536, 2045040, 2147292, 2300670, 2385880, 2684115, 2863056, 3067560, 3220938, 3578820, 3681072, 4294584, 4601340, 4771760, 5368230, 6135120, 6441876, 7157640, 8052345, 8589168, 9202680, 10736460, 12883752, 14315280, 16104690, 18405360, 21472920, 25767504, 32209380, 42945840, 64418760, 128837520]

約数ペア:

[(1, 128837520), (2, 64418760), (3, 42945840), (4, 32209380), (5, 25767504), (6, 21472920), (7, 18405360), (8, 16104690), (9, 14315280), (10, 12883752), (12, 10736460), (14, 9202680), (15, 8589168), (16, 8052345), (18, 7157640), (20, 6441876), (21, 6135120), (24, 5368230), (27, 4771760), (28, 4601340), (30, 4294584), (35, 3681072), (36, 3578820), (40, 3220938), (42, 3067560), (45, 2863056), (48, 2684115), (54, 2385880), (56, 2300670), (60, 2147292), (63, 2045040), (70, 1840536), (72, 1789410), (80, 1610469), (84, 1533780), (90, 1431528), (105, 1227024), (108, 1192940), (112, 1150335), (120, 1073646), (126, 1022520), (135, 954352), (140, 920268), (144, 894705), (168, 766890), (180, 715764), (189, 681680), (210, 613512), (216, 596470), (240, 536823), (252, 511260), (270, 477176), (280, 460134), (315, 409008), (336, 383445), (360, 357882), (378, 340840), (420, 306756), (432, 298235), (504, 255630), (540, 238588), (560, 230067), (630, 204504), (720, 178941), (756, 170420), (840, 153378), (945, 136336), (1008, 127815), (1080, 119294), (1260, 102252), (1512, 85210), (1680, 76689), (1890, 68168), (2160, 59647), (2520, 51126), (3024, 42605), (3780, 34084), (5040, 25563), (7560, 17042), (8521, 15120)]