128449440

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{12743}}^1$

素因数の和:12771

約数の個数: 144

約数和(自身を含む): 500992128

約数和(自身を除く): 372542688

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 12743, 25486, 38229, 50972, 63715, 76458, 89201, 101944, 114687, 127430, 152916, 178402, 191145, 203888, 229374, 254860, 267603, 305832, 356804, 382290, 407776, 446005, 458748, 509720, 535206, 573435, 611664, 713608, 764580, 802809, 892010, 917496, 1019440, 1070412, 1146870, 1223328, 1338015, 1427216, 1529160, 1605618, 1784020, 1834992, 2038880, 2140824, 2293740, 2676030, 2854432, 3058320, 3211236, 3568040, 3669984, 4014045, 4281648, 4587480, 5352060, 6116640, 6422472, 7136080, 8028090, 8563296, 9174960, 10704120, 12844944, 14272160, 16056180, 18349920, 21408240, 25689888, 32112360, 42816480, 64224720, 128449440]

約数ペア:

[(1, 128449440), (2, 64224720), (3, 42816480), (4, 32112360), (5, 25689888), (6, 21408240), (7, 18349920), (8, 16056180), (9, 14272160), (10, 12844944), (12, 10704120), (14, 9174960), (15, 8563296), (16, 8028090), (18, 7136080), (20, 6422472), (21, 6116640), (24, 5352060), (28, 4587480), (30, 4281648), (32, 4014045), (35, 3669984), (36, 3568040), (40, 3211236), (42, 3058320), (45, 2854432), (48, 2676030), (56, 2293740), (60, 2140824), (63, 2038880), (70, 1834992), (72, 1784020), (80, 1605618), (84, 1529160), (90, 1427216), (96, 1338015), (105, 1223328), (112, 1146870), (120, 1070412), (126, 1019440), (140, 917496), (144, 892010), (160, 802809), (168, 764580), (180, 713608), (210, 611664), (224, 573435), (240, 535206), (252, 509720), (280, 458748), (288, 446005), (315, 407776), (336, 382290), (360, 356804), (420, 305832), (480, 267603), (504, 254860), (560, 229374), (630, 203888), (672, 191145), (720, 178402), (840, 152916), (1008, 127430), (1120, 114687), (1260, 101944), (1440, 89201), (1680, 76458), (2016, 63715), (2520, 50972), (3360, 38229), (5040, 25486), (10080, 12743)]