1644967440

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{253853}}^1$

素因数の和:253878

約数の個数: 100

約数和(自身を含む): 5713238124

約数和(自身を除く): 4068270684

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 253853, 507706, 761559, 1015412, 1269265, 1523118, 2030824, 2284677, 2538530, 3046236, 3807795, 4061648, 4569354, 5077060, 6092472, 6854031, 7615590, 9138708, 10154120, 11423385, 12184944, 13708062, 15231180, 18277416, 20308240, 20562093, 22846770, 27416124, 30462360, 34270155, 36554832, 41124186, 45693540, 54832248, 60924720, 68540310, 82248372, 91387080, 102810465, 109664496, 137080620, 164496744, 182774160, 205620930, 274161240, 328993488, 411241860, 548322480, 822483720, 1644967440]

約数ペア:

[(1, 1644967440), (2, 822483720), (3, 548322480), (4, 411241860), (5, 328993488), (6, 274161240), (8, 205620930), (9, 182774160), (10, 164496744), (12, 137080620), (15, 109664496), (16, 102810465), (18, 91387080), (20, 82248372), (24, 68540310), (27, 60924720), (30, 54832248), (36, 45693540), (40, 41124186), (45, 36554832), (48, 34270155), (54, 30462360), (60, 27416124), (72, 22846770), (80, 20562093), (81, 20308240), (90, 18277416), (108, 15231180), (120, 13708062), (135, 12184944), (144, 11423385), (162, 10154120), (180, 9138708), (216, 7615590), (240, 6854031), (270, 6092472), (324, 5077060), (360, 4569354), (405, 4061648), (432, 3807795), (540, 3046236), (648, 2538530), (720, 2284677), (810, 2030824), (1080, 1523118), (1296, 1269265), (1620, 1015412), (2160, 761559), (3240, 507706), (6480, 253853)]