28785120

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{659}}^1$

素因数の和:697

約数の個数: 192

約数和(自身を含む): 111767040

約数和(自身を除く): 82981920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 130, 140, 156, 160, 168, 182, 195, 208, 210, 224, 240, 260, 273, 280, 312, 336, 364, 390, 416, 420, 455, 480, 520, 546, 560, 624, 659, 672, 728, 780, 840, 910, 1040, 1092, 1120, 1248, 1318, 1365, 1456, 1560, 1680, 1820, 1977, 2080, 2184, 2636, 2730, 2912, 3120, 3295, 3360, 3640, 3954, 4368, 4613, 5272, 5460, 6240, 6590, 7280, 7908, 8567, 8736, 9226, 9885, 10544, 10920, 13180, 13839, 14560, 15816, 17134, 18452, 19770, 21088, 21840, 23065, 25701, 26360, 27678, 31632, 34268, 36904, 39540, 42835, 43680, 46130, 51402, 52720, 55356, 59969, 63264, 68536, 69195, 73808, 79080, 85670, 92260, 102804, 105440, 110712, 119938, 128505, 137072, 138390, 147616, 158160, 171340, 179907, 184520, 205608, 221424, 239876, 257010, 274144, 276780, 299845, 316320, 342680, 359814, 369040, 411216, 442848, 479752, 514020, 553560, 599690, 685360, 719628, 738080, 822432, 899535, 959504, 1028040, 1107120, 1199380, 1370720, 1439256, 1799070, 1919008, 2056080, 2214240, 2398760, 2878512, 3598140, 4112160, 4797520, 5757024, 7196280, 9595040, 14392560, 28785120]

約数ペア:

[(1, 28785120), (2, 14392560), (3, 9595040), (4, 7196280), (5, 5757024), (6, 4797520), (7, 4112160), (8, 3598140), (10, 2878512), (12, 2398760), (13, 2214240), (14, 2056080), (15, 1919008), (16, 1799070), (20, 1439256), (21, 1370720), (24, 1199380), (26, 1107120), (28, 1028040), (30, 959504), (32, 899535), (35, 822432), (39, 738080), (40, 719628), (42, 685360), (48, 599690), (52, 553560), (56, 514020), (60, 479752), (65, 442848), (70, 411216), (78, 369040), (80, 359814), (84, 342680), (91, 316320), (96, 299845), (104, 276780), (105, 274144), (112, 257010), (120, 239876), (130, 221424), (140, 205608), (156, 184520), (160, 179907), (168, 171340), (182, 158160), (195, 147616), (208, 138390), (210, 137072), (224, 128505), (240, 119938), (260, 110712), (273, 105440), (280, 102804), (312, 92260), (336, 85670), (364, 79080), (390, 73808), (416, 69195), (420, 68536), (455, 63264), (480, 59969), (520, 55356), (546, 52720), (560, 51402), (624, 46130), (659, 43680), (672, 42835), (728, 39540), (780, 36904), (840, 34268), (910, 31632), (1040, 27678), (1092, 26360), (1120, 25701), (1248, 23065), (1318, 21840), (1365, 21088), (1456, 19770), (1560, 18452), (1680, 17134), (1820, 15816), (1977, 14560), (2080, 13839), (2184, 13180), (2636, 10920), (2730, 10544), (2912, 9885), (3120, 9226), (3295, 8736), (3360, 8567), (3640, 7908), (3954, 7280), (4368, 6590), (4613, 6240), (5272, 5460)]