256606680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2663}}^1$

素因数の和:2761

約数の個数: 128

約数和(自身を含む): 851627520

約数和(自身を除く): 595020840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 73, 88, 110, 120, 132, 146, 165, 219, 220, 264, 292, 330, 365, 438, 440, 584, 660, 730, 803, 876, 1095, 1320, 1460, 1606, 1752, 2190, 2409, 2663, 2920, 3212, 4015, 4380, 4818, 5326, 6424, 7989, 8030, 8760, 9636, 10652, 12045, 13315, 15978, 16060, 19272, 21304, 24090, 26630, 29293, 31956, 32120, 39945, 48180, 53260, 58586, 63912, 79890, 87879, 96360, 106520, 117172, 146465, 159780, 175758, 194399, 234344, 292930, 319560, 351516, 388798, 439395, 583197, 585860, 703032, 777596, 878790, 971995, 1166394, 1171720, 1555192, 1757580, 1943990, 2138389, 2332788, 2915985, 3515160, 3887980, 4276778, 4665576, 5831970, 6415167, 7775960, 8553556, 10691945, 11663940, 12830334, 17107112, 21383890, 23327880, 25660668, 32075835, 42767780, 51321336, 64151670, 85535560, 128303340, 256606680]

約数ペア:

[(1, 256606680), (2, 128303340), (3, 85535560), (4, 64151670), (5, 51321336), (6, 42767780), (8, 32075835), (10, 25660668), (11, 23327880), (12, 21383890), (15, 17107112), (20, 12830334), (22, 11663940), (24, 10691945), (30, 8553556), (33, 7775960), (40, 6415167), (44, 5831970), (55, 4665576), (60, 4276778), (66, 3887980), (73, 3515160), (88, 2915985), (110, 2332788), (120, 2138389), (132, 1943990), (146, 1757580), (165, 1555192), (219, 1171720), (220, 1166394), (264, 971995), (292, 878790), (330, 777596), (365, 703032), (438, 585860), (440, 583197), (584, 439395), (660, 388798), (730, 351516), (803, 319560), (876, 292930), (1095, 234344), (1320, 194399), (1460, 175758), (1606, 159780), (1752, 146465), (2190, 117172), (2409, 106520), (2663, 96360), (2920, 87879), (3212, 79890), (4015, 63912), (4380, 58586), (4818, 53260), (5326, 48180), (6424, 39945), (7989, 32120), (8030, 31956), (8760, 29293), (9636, 26630), (10652, 24090), (12045, 21304), (13315, 19272), (15978, 16060)]