2455180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:119

約数の個数: 96

約数和(自身を含む): 6773760

約数和(自身を除く): 4318580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 70, 71, 76, 91, 95, 130, 133, 140, 142, 182, 190, 247, 260, 266, 284, 355, 364, 380, 455, 494, 497, 532, 665, 710, 910, 923, 988, 994, 1235, 1330, 1349, 1420, 1729, 1820, 1846, 1988, 2470, 2485, 2660, 2698, 3458, 3692, 4615, 4940, 4970, 5396, 6461, 6745, 6916, 8645, 9230, 9443, 9940, 12922, 13490, 17290, 17537, 18460, 18886, 25844, 26980, 32305, 34580, 35074, 37772, 47215, 64610, 70148, 87685, 94430, 122759, 129220, 175370, 188860, 245518, 350740, 491036, 613795, 1227590, 2455180]

約数ペア:

[(1, 2455180), (2, 1227590), (4, 613795), (5, 491036), (7, 350740), (10, 245518), (13, 188860), (14, 175370), (19, 129220), (20, 122759), (26, 94430), (28, 87685), (35, 70148), (38, 64610), (52, 47215), (65, 37772), (70, 35074), (71, 34580), (76, 32305), (91, 26980), (95, 25844), (130, 18886), (133, 18460), (140, 17537), (142, 17290), (182, 13490), (190, 12922), (247, 9940), (260, 9443), (266, 9230), (284, 8645), (355, 6916), (364, 6745), (380, 6461), (455, 5396), (494, 4970), (497, 4940), (532, 4615), (665, 3692), (710, 3458), (910, 2698), (923, 2660), (988, 2485), (994, 2470), (1235, 1988), (1330, 1846), (1349, 1820), (1420, 1729)]