128397360

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5879}}^1$

素因数の和:5915

約数の個数: 160

約数和(自身を含む): 489968640

約数和(自身を除く): 361571280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 364, 390, 420, 455, 520, 546, 560, 624, 728, 780, 840, 910, 1040, 1092, 1365, 1456, 1560, 1680, 1820, 2184, 2730, 3120, 3640, 4368, 5460, 5879, 7280, 10920, 11758, 17637, 21840, 23516, 29395, 35274, 41153, 47032, 58790, 70548, 76427, 82306, 88185, 94064, 117580, 123459, 141096, 152854, 164612, 176370, 205765, 229281, 235160, 246918, 282192, 305708, 329224, 352740, 382135, 411530, 458562, 470320, 493836, 534989, 611416, 617295, 658448, 705480, 764270, 823060, 917124, 987672, 1069978, 1146405, 1222832, 1234590, 1410960, 1528540, 1604967, 1646120, 1834248, 1975344, 2139956, 2292810, 2469180, 2674945, 3057080, 3209934, 3292240, 3668496, 4279912, 4585620, 4938360, 5349890, 6114160, 6419868, 8024835, 8559824, 9171240, 9876720, 10699780, 12839736, 16049670, 18342480, 21399560, 25679472, 32099340, 42799120, 64198680, 128397360]

約数ペア:

[(1, 128397360), (2, 64198680), (3, 42799120), (4, 32099340), (5, 25679472), (6, 21399560), (7, 18342480), (8, 16049670), (10, 12839736), (12, 10699780), (13, 9876720), (14, 9171240), (15, 8559824), (16, 8024835), (20, 6419868), (21, 6114160), (24, 5349890), (26, 4938360), (28, 4585620), (30, 4279912), (35, 3668496), (39, 3292240), (40, 3209934), (42, 3057080), (48, 2674945), (52, 2469180), (56, 2292810), (60, 2139956), (65, 1975344), (70, 1834248), (78, 1646120), (80, 1604967), (84, 1528540), (91, 1410960), (104, 1234590), (105, 1222832), (112, 1146405), (120, 1069978), (130, 987672), (140, 917124), (156, 823060), (168, 764270), (182, 705480), (195, 658448), (208, 617295), (210, 611416), (240, 534989), (260, 493836), (273, 470320), (280, 458562), (312, 411530), (336, 382135), (364, 352740), (390, 329224), (420, 305708), (455, 282192), (520, 246918), (546, 235160), (560, 229281), (624, 205765), (728, 176370), (780, 164612), (840, 152854), (910, 141096), (1040, 123459), (1092, 117580), (1365, 94064), (1456, 88185), (1560, 82306), (1680, 76427), (1820, 70548), (2184, 58790), (2730, 47032), (3120, 41153), (3640, 35274), (4368, 29395), (5460, 23516), (5879, 21840), (7280, 17637), (10920, 11758)]