64821900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1511}}^1$

素因数の和:1552

約数の個数: 144

約数和(自身を含む): 220485888

約数和(自身を除く): 155663988

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 25, 26, 30, 33, 39, 44, 50, 52, 55, 60, 65, 66, 75, 78, 100, 110, 130, 132, 143, 150, 156, 165, 195, 220, 260, 275, 286, 300, 325, 330, 390, 429, 550, 572, 650, 660, 715, 780, 825, 858, 975, 1100, 1300, 1430, 1511, 1650, 1716, 1950, 2145, 2860, 3022, 3300, 3575, 3900, 4290, 4533, 6044, 7150, 7555, 8580, 9066, 10725, 14300, 15110, 16621, 18132, 19643, 21450, 22665, 30220, 33242, 37775, 39286, 42900, 45330, 49863, 58929, 66484, 75550, 78572, 83105, 90660, 98215, 99726, 113325, 117858, 151100, 166210, 196430, 199452, 216073, 226650, 235716, 249315, 294645, 332420, 392860, 415525, 432146, 453300, 491075, 498630, 589290, 648219, 831050, 864292, 982150, 997260, 1080365, 1178580, 1246575, 1296438, 1473225, 1662100, 1964300, 2160730, 2493150, 2592876, 2946450, 3241095, 4321460, 4986300, 5401825, 5892900, 6482190, 10803650, 12964380, 16205475, 21607300, 32410950, 64821900]

約数ペア:

[(1, 64821900), (2, 32410950), (3, 21607300), (4, 16205475), (5, 12964380), (6, 10803650), (10, 6482190), (11, 5892900), (12, 5401825), (13, 4986300), (15, 4321460), (20, 3241095), (22, 2946450), (25, 2592876), (26, 2493150), (30, 2160730), (33, 1964300), (39, 1662100), (44, 1473225), (50, 1296438), (52, 1246575), (55, 1178580), (60, 1080365), (65, 997260), (66, 982150), (75, 864292), (78, 831050), (100, 648219), (110, 589290), (130, 498630), (132, 491075), (143, 453300), (150, 432146), (156, 415525), (165, 392860), (195, 332420), (220, 294645), (260, 249315), (275, 235716), (286, 226650), (300, 216073), (325, 199452), (330, 196430), (390, 166210), (429, 151100), (550, 117858), (572, 113325), (650, 99726), (660, 98215), (715, 90660), (780, 83105), (825, 78572), (858, 75550), (975, 66484), (1100, 58929), (1300, 49863), (1430, 45330), (1511, 42900), (1650, 39286), (1716, 37775), (1950, 33242), (2145, 30220), (2860, 22665), (3022, 21450), (3300, 19643), (3575, 18132), (3900, 16621), (4290, 15110), (4533, 14300), (6044, 10725), (7150, 9066), (7555, 8580)]