907721680

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^2\times {\mathrm{89}}^1\times {\mathrm{241}}^1$

素因数の和:389

約数の個数: 120

約数和(自身を含む): 2240247240

約数和(自身を除く): 1332525560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 89, 92, 115, 178, 184, 230, 241, 356, 368, 445, 460, 482, 529, 712, 890, 920, 964, 1058, 1205, 1424, 1780, 1840, 1928, 2047, 2116, 2410, 2645, 3560, 3856, 4094, 4232, 4820, 5290, 5543, 7120, 8188, 8464, 9640, 10235, 10580, 11086, 16376, 19280, 20470, 21160, 21449, 22172, 27715, 32752, 40940, 42320, 42898, 44344, 47081, 55430, 81880, 85796, 88688, 94162, 107245, 110860, 127489, 163760, 171592, 188324, 214490, 221720, 235405, 254978, 343184, 376648, 428980, 443440, 470810, 493327, 509956, 637445, 753296, 857960, 941620, 986654, 1019912, 1274890, 1715920, 1883240, 1973308, 2039824, 2466635, 2549780, 3766480, 3946616, 4933270, 5099560, 7893232, 9866540, 10199120, 11346521, 19733080, 22693042, 39466160, 45386084, 56732605, 90772168, 113465210, 181544336, 226930420, 453860840, 907721680]

約数ペア:

[(1, 907721680), (2, 453860840), (4, 226930420), (5, 181544336), (8, 113465210), (10, 90772168), (16, 56732605), (20, 45386084), (23, 39466160), (40, 22693042), (46, 19733080), (80, 11346521), (89, 10199120), (92, 9866540), (115, 7893232), (178, 5099560), (184, 4933270), (230, 3946616), (241, 3766480), (356, 2549780), (368, 2466635), (445, 2039824), (460, 1973308), (482, 1883240), (529, 1715920), (712, 1274890), (890, 1019912), (920, 986654), (964, 941620), (1058, 857960), (1205, 753296), (1424, 637445), (1780, 509956), (1840, 493327), (1928, 470810), (2047, 443440), (2116, 428980), (2410, 376648), (2645, 343184), (3560, 254978), (3856, 235405), (4094, 221720), (4232, 214490), (4820, 188324), (5290, 171592), (5543, 163760), (7120, 127489), (8188, 110860), (8464, 107245), (9640, 94162), (10235, 88688), (10580, 85796), (11086, 81880), (16376, 55430), (19280, 47081), (20470, 44344), (21160, 42898), (21449, 42320), (22172, 40940), (27715, 32752)]