640945800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{32371}}^1$

素因数の和:32404

約数の個数: 144

約数和(自身を含む): 2348264880

約数和(自身を除く): 1707319080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 25, 30, 33, 36, 40, 44, 45, 50, 55, 60, 66, 72, 75, 88, 90, 99, 100, 110, 120, 132, 150, 165, 180, 198, 200, 220, 225, 264, 275, 300, 330, 360, 396, 440, 450, 495, 550, 600, 660, 792, 825, 900, 990, 1100, 1320, 1650, 1800, 1980, 2200, 2475, 3300, 3960, 4950, 6600, 9900, 19800, 32371, 64742, 97113, 129484, 161855, 194226, 258968, 291339, 323710, 356081, 388452, 485565, 582678, 647420, 712162, 776904, 809275, 971130, 1068243, 1165356, 1294840, 1424324, 1456695, 1618550, 1780405, 1942260, 2136486, 2330712, 2427825, 2848648, 2913390, 3204729, 3237100, 3560810, 3884520, 4272972, 4855650, 5341215, 5826780, 6409458, 6474200, 7121620, 7283475, 8545944, 8902025, 9711300, 10682430, 11653560, 12818916, 14243240, 14566950, 16023645, 17804050, 19422600, 21364860, 25637832, 26706075, 29133900, 32047290, 35608100, 42729720, 53412150, 58267800, 64094580, 71216200, 80118225, 106824300, 128189160, 160236450, 213648600, 320472900, 640945800]

約数ペア:

[(1, 640945800), (2, 320472900), (3, 213648600), (4, 160236450), (5, 128189160), (6, 106824300), (8, 80118225), (9, 71216200), (10, 64094580), (11, 58267800), (12, 53412150), (15, 42729720), (18, 35608100), (20, 32047290), (22, 29133900), (24, 26706075), (25, 25637832), (30, 21364860), (33, 19422600), (36, 17804050), (40, 16023645), (44, 14566950), (45, 14243240), (50, 12818916), (55, 11653560), (60, 10682430), (66, 9711300), (72, 8902025), (75, 8545944), (88, 7283475), (90, 7121620), (99, 6474200), (100, 6409458), (110, 5826780), (120, 5341215), (132, 4855650), (150, 4272972), (165, 3884520), (180, 3560810), (198, 3237100), (200, 3204729), (220, 2913390), (225, 2848648), (264, 2427825), (275, 2330712), (300, 2136486), (330, 1942260), (360, 1780405), (396, 1618550), (440, 1456695), (450, 1424324), (495, 1294840), (550, 1165356), (600, 1068243), (660, 971130), (792, 809275), (825, 776904), (900, 712162), (990, 647420), (1100, 582678), (1320, 485565), (1650, 388452), (1800, 356081), (1980, 323710), (2200, 291339), (2475, 258968), (3300, 194226), (3960, 161855), (4950, 129484), (6600, 97113), (9900, 64742), (19800, 32371)]