258721680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{154001}}^1$

素因数の和:154024

約数の個数: 80

約数和(自身を含む): 916619904

約数和(自身を除く): 657898224

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 154001, 308002, 462003, 616004, 770005, 924006, 1078007, 1232008, 1540010, 1848012, 2156014, 2310015, 2464016, 3080020, 3234021, 3696024, 4312028, 4620030, 5390035, 6160040, 6468042, 7392048, 8624056, 9240060, 10780070, 12320080, 12936084, 16170105, 17248112, 18480120, 21560140, 25872168, 32340210, 36960240, 43120280, 51744336, 64680420, 86240560, 129360840, 258721680]

約数ペア:

[(1, 258721680), (2, 129360840), (3, 86240560), (4, 64680420), (5, 51744336), (6, 43120280), (7, 36960240), (8, 32340210), (10, 25872168), (12, 21560140), (14, 18480120), (15, 17248112), (16, 16170105), (20, 12936084), (21, 12320080), (24, 10780070), (28, 9240060), (30, 8624056), (35, 7392048), (40, 6468042), (42, 6160040), (48, 5390035), (56, 4620030), (60, 4312028), (70, 3696024), (80, 3234021), (84, 3080020), (105, 2464016), (112, 2310015), (120, 2156014), (140, 1848012), (168, 1540010), (210, 1232008), (240, 1078007), (280, 924006), (336, 770005), (420, 616004), (560, 462003), (840, 308002), (1680, 154001)]