253172920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6323}}^1$

素因数の和:6365

約数の個数: 128

約数和(自身を含む): 764951040

約数和(自身を除く): 511778120

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 88, 91, 104, 110, 130, 140, 143, 154, 182, 220, 260, 280, 286, 308, 364, 385, 440, 455, 520, 572, 616, 715, 728, 770, 910, 1001, 1144, 1430, 1540, 1820, 2002, 2860, 3080, 3640, 4004, 5005, 5720, 6323, 8008, 10010, 12646, 20020, 25292, 31615, 40040, 44261, 50584, 63230, 69553, 82199, 88522, 126460, 139106, 164398, 177044, 221305, 252920, 278212, 328796, 347765, 354088, 410995, 442610, 486871, 556424, 575393, 657592, 695530, 821990, 885220, 904189, 973742, 1150786, 1391060, 1643980, 1770440, 1808378, 1947484, 2301572, 2434355, 2782120, 2876965, 3287960, 3616756, 3894968, 4520945, 4603144, 4868710, 5753930, 6329323, 7233512, 9041890, 9737420, 11507860, 12658646, 18083780, 19474840, 23015720, 25317292, 31646615, 36167560, 50634584, 63293230, 126586460, 253172920]

約数ペア:

[(1, 253172920), (2, 126586460), (4, 63293230), (5, 50634584), (7, 36167560), (8, 31646615), (10, 25317292), (11, 23015720), (13, 19474840), (14, 18083780), (20, 12658646), (22, 11507860), (26, 9737420), (28, 9041890), (35, 7233512), (40, 6329323), (44, 5753930), (52, 4868710), (55, 4603144), (56, 4520945), (65, 3894968), (70, 3616756), (77, 3287960), (88, 2876965), (91, 2782120), (104, 2434355), (110, 2301572), (130, 1947484), (140, 1808378), (143, 1770440), (154, 1643980), (182, 1391060), (220, 1150786), (260, 973742), (280, 904189), (286, 885220), (308, 821990), (364, 695530), (385, 657592), (440, 575393), (455, 556424), (520, 486871), (572, 442610), (616, 410995), (715, 354088), (728, 347765), (770, 328796), (910, 278212), (1001, 252920), (1144, 221305), (1430, 177044), (1540, 164398), (1820, 139106), (2002, 126460), (2860, 88522), (3080, 82199), (3640, 69553), (4004, 63230), (5005, 50584), (5720, 44261), (6323, 40040), (8008, 31615), (10010, 25292), (12646, 20020)]