1947555480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{65707}}^1$

素因数の和:65753

約数の個数: 128

約数和(自身を含む): 6623366400

約数和(自身を除く): 4675810920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 52, 57, 60, 65, 76, 78, 95, 104, 114, 120, 130, 152, 156, 190, 195, 228, 247, 260, 285, 312, 380, 390, 456, 494, 520, 570, 741, 760, 780, 988, 1140, 1235, 1482, 1560, 1976, 2280, 2470, 2964, 3705, 4940, 5928, 7410, 9880, 14820, 29640, 65707, 131414, 197121, 262828, 328535, 394242, 525656, 657070, 788484, 854191, 985605, 1248433, 1314140, 1576968, 1708382, 1971210, 2496866, 2562573, 2628280, 3416764, 3745299, 3942420, 4270955, 4993732, 5125146, 6242165, 6833528, 7490598, 7884840, 8541910, 9987464, 10250292, 12484330, 12812865, 14981196, 16229629, 17083820, 18726495, 20500584, 24968660, 25625730, 29962392, 32459258, 34167640, 37452990, 48688887, 49937320, 51251460, 64918516, 74905980, 81148145, 97377774, 102502920, 129837032, 149811960, 162296290, 194755548, 243444435, 324592580, 389511096, 486888870, 649185160, 973777740, 1947555480]

約数ペア:

[(1, 1947555480), (2, 973777740), (3, 649185160), (4, 486888870), (5, 389511096), (6, 324592580), (8, 243444435), (10, 194755548), (12, 162296290), (13, 149811960), (15, 129837032), (19, 102502920), (20, 97377774), (24, 81148145), (26, 74905980), (30, 64918516), (38, 51251460), (39, 49937320), (40, 48688887), (52, 37452990), (57, 34167640), (60, 32459258), (65, 29962392), (76, 25625730), (78, 24968660), (95, 20500584), (104, 18726495), (114, 17083820), (120, 16229629), (130, 14981196), (152, 12812865), (156, 12484330), (190, 10250292), (195, 9987464), (228, 8541910), (247, 7884840), (260, 7490598), (285, 6833528), (312, 6242165), (380, 5125146), (390, 4993732), (456, 4270955), (494, 3942420), (520, 3745299), (570, 3416764), (741, 2628280), (760, 2562573), (780, 2496866), (988, 1971210), (1140, 1708382), (1235, 1576968), (1482, 1314140), (1560, 1248433), (1976, 985605), (2280, 854191), (2470, 788484), (2964, 657070), (3705, 525656), (4940, 394242), (5928, 328535), (7410, 262828), (9880, 197121), (14820, 131414), (29640, 65707)]