1997944920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{653}}^1\times {\mathrm{2833}}^1$

素因数の和:3506

約数の個数: 128

約数和(自身を含む): 6672369600

約数和(自身を除く): 4674424680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 653, 1080, 1306, 1959, 2612, 2833, 3265, 3918, 5224, 5666, 5877, 6530, 7836, 8499, 9795, 11332, 11754, 13060, 14165, 15672, 16998, 17631, 19590, 22664, 23508, 25497, 26120, 28330, 29385, 33996, 35262, 39180, 42495, 47016, 50994, 56660, 58770, 67992, 70524, 76491, 78360, 84990, 88155, 101988, 113320, 117540, 127485, 141048, 152982, 169980, 176310, 203976, 235080, 254970, 305964, 339960, 352620, 382455, 509940, 611928, 705240, 764910, 1019880, 1529820, 1849949, 3059640, 3699898, 5549847, 7399796, 9249745, 11099694, 14799592, 16649541, 18499490, 22199388, 27749235, 33299082, 36998980, 44398776, 49948623, 55498470, 66598164, 73997960, 83247705, 99897246, 110996940, 133196328, 166495410, 199794492, 221993880, 249743115, 332990820, 399588984, 499486230, 665981640, 998972460, 1997944920]

約数ペア:

[(1, 1997944920), (2, 998972460), (3, 665981640), (4, 499486230), (5, 399588984), (6, 332990820), (8, 249743115), (9, 221993880), (10, 199794492), (12, 166495410), (15, 133196328), (18, 110996940), (20, 99897246), (24, 83247705), (27, 73997960), (30, 66598164), (36, 55498470), (40, 49948623), (45, 44398776), (54, 36998980), (60, 33299082), (72, 27749235), (90, 22199388), (108, 18499490), (120, 16649541), (135, 14799592), (180, 11099694), (216, 9249745), (270, 7399796), (360, 5549847), (540, 3699898), (653, 3059640), (1080, 1849949), (1306, 1529820), (1959, 1019880), (2612, 764910), (2833, 705240), (3265, 611928), (3918, 509940), (5224, 382455), (5666, 352620), (5877, 339960), (6530, 305964), (7836, 254970), (8499, 235080), (9795, 203976), (11332, 176310), (11754, 169980), (13060, 152982), (14165, 141048), (15672, 127485), (16998, 117540), (17631, 113320), (19590, 101988), (22664, 88155), (23508, 84990), (25497, 78360), (26120, 76491), (28330, 70524), (29385, 67992), (33996, 58770), (35262, 56660), (39180, 50994), (42495, 47016)]