2492651720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{1531}}^1$

素因数の和:1687

約数の個数: 128

約数和(自身を含む): 6300564480

約数和(自身を除く): 3807912760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 101, 104, 124, 130, 155, 202, 248, 260, 310, 403, 404, 505, 520, 620, 806, 808, 1010, 1240, 1313, 1531, 1612, 2015, 2020, 2626, 3062, 3131, 3224, 4030, 4040, 5252, 6124, 6262, 6565, 7655, 8060, 10504, 12248, 12524, 13130, 15310, 15655, 16120, 19903, 25048, 26260, 30620, 31310, 39806, 40703, 47461, 52520, 61240, 62620, 79612, 81406, 94922, 99515, 125240, 154631, 159224, 162812, 189844, 199030, 203515, 237305, 309262, 325624, 379688, 398060, 407030, 474610, 616993, 618524, 773155, 796120, 814060, 949220, 1233986, 1237048, 1546310, 1628120, 1898440, 2010203, 2467972, 3084965, 3092620, 4020406, 4793561, 4935944, 6169930, 6185240, 8040812, 9587122, 10051015, 12339860, 16081624, 19174244, 20102030, 23967805, 24679720, 38348488, 40204060, 47935610, 62316293, 80408120, 95871220, 124632586, 191742440, 249265172, 311581465, 498530344, 623162930, 1246325860, 2492651720]

約数ペア:

[(1, 2492651720), (2, 1246325860), (4, 623162930), (5, 498530344), (8, 311581465), (10, 249265172), (13, 191742440), (20, 124632586), (26, 95871220), (31, 80408120), (40, 62316293), (52, 47935610), (62, 40204060), (65, 38348488), (101, 24679720), (104, 23967805), (124, 20102030), (130, 19174244), (155, 16081624), (202, 12339860), (248, 10051015), (260, 9587122), (310, 8040812), (403, 6185240), (404, 6169930), (505, 4935944), (520, 4793561), (620, 4020406), (806, 3092620), (808, 3084965), (1010, 2467972), (1240, 2010203), (1313, 1898440), (1531, 1628120), (1612, 1546310), (2015, 1237048), (2020, 1233986), (2626, 949220), (3062, 814060), (3131, 796120), (3224, 773155), (4030, 618524), (4040, 616993), (5252, 474610), (6124, 407030), (6262, 398060), (6565, 379688), (7655, 325624), (8060, 309262), (10504, 237305), (12248, 203515), (12524, 199030), (13130, 189844), (15310, 162812), (15655, 159224), (16120, 154631), (19903, 125240), (25048, 99515), (26260, 94922), (30620, 81406), (31310, 79612), (39806, 62620), (40703, 61240), (47461, 52520)]