217162920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1301}}^1$

素因数の和:1435

約数の個数: 128

約数和(自身を含む): 708704640

約数和(自身を除く): 491541720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 107, 120, 130, 156, 195, 214, 260, 312, 321, 390, 428, 520, 535, 642, 780, 856, 1070, 1284, 1301, 1391, 1560, 1605, 2140, 2568, 2602, 2782, 3210, 3903, 4173, 4280, 5204, 5564, 6420, 6505, 6955, 7806, 8346, 10408, 11128, 12840, 13010, 13910, 15612, 16692, 16913, 19515, 20865, 26020, 27820, 31224, 33384, 33826, 39030, 41730, 50739, 52040, 55640, 67652, 78060, 83460, 84565, 101478, 135304, 139207, 156120, 166920, 169130, 202956, 253695, 278414, 338260, 405912, 417621, 507390, 556828, 676520, 696035, 835242, 1014780, 1113656, 1392070, 1670484, 1809691, 2029560, 2088105, 2784140, 3340968, 3619382, 4176210, 5429073, 5568280, 7238764, 8352420, 9048455, 10858146, 14477528, 16704840, 18096910, 21716292, 27145365, 36193820, 43432584, 54290730, 72387640, 108581460, 217162920]

約数ペア:

[(1, 217162920), (2, 108581460), (3, 72387640), (4, 54290730), (5, 43432584), (6, 36193820), (8, 27145365), (10, 21716292), (12, 18096910), (13, 16704840), (15, 14477528), (20, 10858146), (24, 9048455), (26, 8352420), (30, 7238764), (39, 5568280), (40, 5429073), (52, 4176210), (60, 3619382), (65, 3340968), (78, 2784140), (104, 2088105), (107, 2029560), (120, 1809691), (130, 1670484), (156, 1392070), (195, 1113656), (214, 1014780), (260, 835242), (312, 696035), (321, 676520), (390, 556828), (428, 507390), (520, 417621), (535, 405912), (642, 338260), (780, 278414), (856, 253695), (1070, 202956), (1284, 169130), (1301, 166920), (1391, 156120), (1560, 139207), (1605, 135304), (2140, 101478), (2568, 84565), (2602, 83460), (2782, 78060), (3210, 67652), (3903, 55640), (4173, 52040), (4280, 50739), (5204, 41730), (5564, 39030), (6420, 33826), (6505, 33384), (6955, 31224), (7806, 27820), (8346, 26020), (10408, 20865), (11128, 19515), (12840, 16913), (13010, 16692), (13910, 15612)]