1990530720

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{460771}}^1$

素因数の和:460795

約数の個数: 96

約数和(自身を含む): 6966872640

約数和(自身を除く): 4976341920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 432, 480, 540, 720, 864, 1080, 1440, 2160, 4320, 460771, 921542, 1382313, 1843084, 2303855, 2764626, 3686168, 4146939, 4607710, 5529252, 6911565, 7372336, 8293878, 9215420, 11058504, 12440817, 13823130, 14744672, 16587756, 18430840, 20734695, 22117008, 24881634, 27646260, 33175512, 36861680, 41469390, 44234016, 49763268, 55292520, 62204085, 66351024, 73723360, 82938780, 99526536, 110585040, 124408170, 132702048, 165877560, 199053072, 221170080, 248816340, 331755120, 398106144, 497632680, 663510240, 995265360, 1990530720]

約数ペア:

[(1, 1990530720), (2, 995265360), (3, 663510240), (4, 497632680), (5, 398106144), (6, 331755120), (8, 248816340), (9, 221170080), (10, 199053072), (12, 165877560), (15, 132702048), (16, 124408170), (18, 110585040), (20, 99526536), (24, 82938780), (27, 73723360), (30, 66351024), (32, 62204085), (36, 55292520), (40, 49763268), (45, 44234016), (48, 41469390), (54, 36861680), (60, 33175512), (72, 27646260), (80, 24881634), (90, 22117008), (96, 20734695), (108, 18430840), (120, 16587756), (135, 14744672), (144, 13823130), (160, 12440817), (180, 11058504), (216, 9215420), (240, 8293878), (270, 7372336), (288, 6911565), (360, 5529252), (432, 4607710), (480, 4146939), (540, 3686168), (720, 2764626), (864, 2303855), (1080, 1843084), (1440, 1382313), (2160, 921542), (4320, 460771)]