204551760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{389}}^1$

素因数の和:725

約数の個数: 160

約数和(自身を含む): 728881920

約数和(自身を除く): 524330160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 313, 336, 389, 420, 560, 626, 778, 840, 939, 1167, 1252, 1556, 1565, 1680, 1878, 1945, 2191, 2334, 2504, 2723, 3112, 3130, 3756, 3890, 4382, 4668, 4695, 5008, 5446, 5835, 6224, 6260, 6573, 7512, 7780, 8169, 8764, 9336, 9390, 10892, 10955, 11670, 12520, 13146, 13615, 15024, 15560, 16338, 17528, 18672, 18780, 21784, 21910, 23340, 25040, 26292, 27230, 31120, 32676, 32865, 35056, 37560, 40845, 43568, 43820, 46680, 52584, 54460, 65352, 65730, 75120, 81690, 87640, 93360, 105168, 108920, 121757, 130704, 131460, 163380, 175280, 217840, 243514, 262920, 326760, 365271, 487028, 525840, 608785, 653520, 730542, 852299, 974056, 1217570, 1461084, 1704598, 1826355, 1948112, 2435140, 2556897, 2922168, 3409196, 3652710, 4261495, 4870280, 5113794, 5844336, 6818392, 7305420, 8522990, 9740560, 10227588, 12784485, 13636784, 14610840, 17045980, 20455176, 25568970, 29221680, 34091960, 40910352, 51137940, 68183920, 102275880, 204551760]

約数ペア:

[(1, 204551760), (2, 102275880), (3, 68183920), (4, 51137940), (5, 40910352), (6, 34091960), (7, 29221680), (8, 25568970), (10, 20455176), (12, 17045980), (14, 14610840), (15, 13636784), (16, 12784485), (20, 10227588), (21, 9740560), (24, 8522990), (28, 7305420), (30, 6818392), (35, 5844336), (40, 5113794), (42, 4870280), (48, 4261495), (56, 3652710), (60, 3409196), (70, 2922168), (80, 2556897), (84, 2435140), (105, 1948112), (112, 1826355), (120, 1704598), (140, 1461084), (168, 1217570), (210, 974056), (240, 852299), (280, 730542), (313, 653520), (336, 608785), (389, 525840), (420, 487028), (560, 365271), (626, 326760), (778, 262920), (840, 243514), (939, 217840), (1167, 175280), (1252, 163380), (1556, 131460), (1565, 130704), (1680, 121757), (1878, 108920), (1945, 105168), (2191, 93360), (2334, 87640), (2504, 81690), (2723, 75120), (3112, 65730), (3130, 65352), (3756, 54460), (3890, 52584), (4382, 46680), (4668, 43820), (4695, 43568), (5008, 40845), (5446, 37560), (5835, 35056), (6224, 32865), (6260, 32676), (6573, 31120), (7512, 27230), (7780, 26292), (8169, 25040), (8764, 23340), (9336, 21910), (9390, 21784), (10892, 18780), (10955, 18672), (11670, 17528), (12520, 16338), (13146, 15560), (13615, 15024)]