1555127980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1\times {\mathrm{1543}}^1$

素因数の和:1895

約数の個数: 96

約数和(自身を含む): 3909556224

約数和(自身を除く): 2354428244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 313, 322, 460, 626, 644, 805, 1252, 1543, 1565, 1610, 2191, 3086, 3130, 3220, 4382, 6172, 6260, 7199, 7715, 8764, 10801, 10955, 14398, 15430, 21602, 21910, 28796, 30860, 35489, 35995, 43204, 43820, 50393, 54005, 70978, 71990, 100786, 108010, 141956, 143980, 177445, 201572, 216020, 248423, 251965, 354890, 482959, 496846, 503930, 709780, 965918, 993692, 1007860, 1242115, 1931836, 2414795, 2484230, 3380713, 4829590, 4968460, 6761426, 9659180, 11108057, 13522852, 16903565, 22216114, 33807130, 44432228, 55540285, 67614260, 77756399, 111080570, 155512798, 222161140, 311025596, 388781995, 777563990, 1555127980]

約数ペア:

[(1, 1555127980), (2, 777563990), (4, 388781995), (5, 311025596), (7, 222161140), (10, 155512798), (14, 111080570), (20, 77756399), (23, 67614260), (28, 55540285), (35, 44432228), (46, 33807130), (70, 22216114), (92, 16903565), (115, 13522852), (140, 11108057), (161, 9659180), (230, 6761426), (313, 4968460), (322, 4829590), (460, 3380713), (626, 2484230), (644, 2414795), (805, 1931836), (1252, 1242115), (1543, 1007860), (1565, 993692), (1610, 965918), (2191, 709780), (3086, 503930), (3130, 496846), (3220, 482959), (4382, 354890), (6172, 251965), (6260, 248423), (7199, 216020), (7715, 201572), (8764, 177445), (10801, 143980), (10955, 141956), (14398, 108010), (15430, 100786), (21602, 71990), (21910, 70978), (28796, 54005), (30860, 50393), (35489, 43820), (35995, 43204)]