128700180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4441}}^1$

素因数の和:4486

約数の個数: 144

約数和(自身を含む): 465663744

約数和(自身を除く): 336963564

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 28, 30, 35, 36, 42, 45, 46, 60, 63, 69, 70, 84, 90, 92, 105, 115, 126, 138, 140, 161, 180, 207, 210, 230, 252, 276, 315, 322, 345, 414, 420, 460, 483, 630, 644, 690, 805, 828, 966, 1035, 1260, 1380, 1449, 1610, 1932, 2070, 2415, 2898, 3220, 4140, 4441, 4830, 5796, 7245, 8882, 9660, 13323, 14490, 17764, 22205, 26646, 28980, 31087, 39969, 44410, 53292, 62174, 66615, 79938, 88820, 93261, 102143, 124348, 133230, 155435, 159876, 186522, 199845, 204286, 266460, 279783, 306429, 310870, 373044, 399690, 408572, 466305, 510715, 559566, 612858, 621740, 715001, 799380, 919287, 932610, 1021430, 1119132, 1225716, 1398915, 1430002, 1532145, 1838574, 1865220, 2042860, 2145003, 2797830, 2860004, 3064290, 3575005, 3677148, 4290006, 4596435, 5595660, 6128580, 6435009, 7150010, 8580012, 9192870, 10725015, 12870018, 14300020, 18385740, 21450030, 25740036, 32175045, 42900060, 64350090, 128700180]

約数ペア:

[(1, 128700180), (2, 64350090), (3, 42900060), (4, 32175045), (5, 25740036), (6, 21450030), (7, 18385740), (9, 14300020), (10, 12870018), (12, 10725015), (14, 9192870), (15, 8580012), (18, 7150010), (20, 6435009), (21, 6128580), (23, 5595660), (28, 4596435), (30, 4290006), (35, 3677148), (36, 3575005), (42, 3064290), (45, 2860004), (46, 2797830), (60, 2145003), (63, 2042860), (69, 1865220), (70, 1838574), (84, 1532145), (90, 1430002), (92, 1398915), (105, 1225716), (115, 1119132), (126, 1021430), (138, 932610), (140, 919287), (161, 799380), (180, 715001), (207, 621740), (210, 612858), (230, 559566), (252, 510715), (276, 466305), (315, 408572), (322, 399690), (345, 373044), (414, 310870), (420, 306429), (460, 279783), (483, 266460), (630, 204286), (644, 199845), (690, 186522), (805, 159876), (828, 155435), (966, 133230), (1035, 124348), (1260, 102143), (1380, 93261), (1449, 88820), (1610, 79938), (1932, 66615), (2070, 62174), (2415, 53292), (2898, 44410), (3220, 39969), (4140, 31087), (4441, 28980), (4830, 26646), (5796, 22205), (7245, 17764), (8882, 14490), (9660, 13323)]